fix: package.json & package-lock.json to reduce vulnerabilities

The following vulnerabilities are fixed with an upgrade:
- https://snyk.io/vuln/SNYK-JS-PRISMJS-2404333

package-lock.json

@@ -14,12 +14,12 @@
         "body-parser": "^1.19.0",
         "ejs": "^3.1.6",
         "express": "^4.17.1",
-        "express-rate-limit": "^5.3.0",
+        "express-rate-limit": "^5.0.0",
         "fa-diagrams": "^1.0.3",
         "mathjax-node": "^2.1.1",
         "ncp": "^2.0.0",
         "node-prismjs": "^0.1.0",
-        "prismjs": "^1.23.0",
+        "prismjs": "^1.27.0",
         "redis": "^3.0.2",
         "rss": "^1.2.2",
         "showdown": "^1.9.1"
@@ -1503,17 +1503,6 @@
         "node": ">=0.10.0"
       }
     },
-    "node_modules/clipboard": {
-      "version": "1.7.1",
-      "resolved": "https://registry.npmjs.org/clipboard/-/clipboard-1.7.1.tgz",
-      "integrity": "sha1-Ng1taUbpmnof7zleQrqStem1oWs=",
-      "optional": true,
-      "dependencies": {
-        "good-listener": "^1.2.2",
-        "select": "^1.1.2",
-        "tiny-emitter": "^2.0.0"
-      }
-    },
     "node_modules/cliui": {
       "version": "5.0.0",
       "resolved": "https://registry.npmjs.org/cliui/-/cliui-5.0.0.tgz",
@@ -1893,12 +1882,6 @@
         "node": ">=0.4.0"
       }
     },
-    "node_modules/delegate": {
-      "version": "3.2.0",
-      "resolved": "https://registry.npmjs.org/delegate/-/delegate-3.2.0.tgz",
-      "integrity": "sha512-IofjkYBZaZivn0V8nnsMJGBr4jVLxHDheKSW88PyxS5QC4Vo9ZbZVvhzlSxY87fVq3STR6r+4cGepyHkcWOQSw==",
-      "optional": true
-    },
     "node_modules/denque": {
       "version": "1.5.0",
       "resolved": "https://registry.npmjs.org/denque/-/denque-1.5.0.tgz",
@@ -2682,9 +2665,9 @@
       }
     },
     "node_modules/express-rate-limit": {
-      "version": "5.3.0",
+      "version": "5.0.0",
-      "resolved": "https://registry.npmjs.org/express-rate-limit/-/express-rate-limit-5.3.0.tgz",
+      "resolved": "https://registry.npmjs.org/express-rate-limit/-/express-rate-limit-5.0.0.tgz",
-      "integrity": "sha512-qJhfEgCnmteSeZAeuOKQ2WEIFTX5ajrzE0xS6gCOBCoRQcU+xEzQmgYQQTpzCcqUAAzTEtu4YEih4pnLfvNtew=="
+      "integrity": "sha512-dhT57wqxfqmkOi4HM7NuT4Gd7gbUgSK2ocG27Y6lwm8lbOAw9XQfeANawGq8wLDtlGPO1ZgDj0HmKsykTxfFAg=="
     },
     "node_modules/extend": {
       "version": "3.0.2",
@@ -3998,15 +3981,6 @@
         "node": ">=8"
       }
     },
-    "node_modules/good-listener": {
-      "version": "1.2.2",
-      "resolved": "https://registry.npmjs.org/good-listener/-/good-listener-1.2.2.tgz",
-      "integrity": "sha1-1TswzfkxPf+33JoNR3CWqm0UXFA=",
-      "optional": true,
-      "dependencies": {
-        "delegate": "^3.1.2"
-      }
-    },
     "node_modules/graceful-fs": {
       "version": "4.2.2",
       "resolved": "https://registry.npmjs.org/graceful-fs/-/graceful-fs-4.2.2.tgz",
@@ -6234,14 +6208,6 @@
         "prismjs": "^1.5.0"
       }
     },
-    "node_modules/node-prismjs/node_modules/prismjs": {
-      "version": "1.6.0",
-      "resolved": "https://registry.npmjs.org/prismjs/-/prismjs-1.6.0.tgz",
-      "integrity": "sha1-EY2V+3pm26InLjQ7NF9SNmWds2U=",
-      "optionalDependencies": {
-        "clipboard": "^1.5.5"
-      }
-    },
     "node_modules/normalize-package-data": {
       "version": "2.5.0",
       "resolved": "https://registry.npmjs.org/normalize-package-data/-/normalize-package-data-2.5.0.tgz",
@@ -6728,22 +6694,11 @@
       }
     },
     "node_modules/prismjs": {
-      "version": "1.23.0",
+      "version": "1.27.0",
-      "resolved": "https://registry.npmjs.org/prismjs/-/prismjs-1.23.0.tgz",
+      "resolved": "https://registry.npmjs.org/prismjs/-/prismjs-1.27.0.tgz",
-      "integrity": "sha512-c29LVsqOaLbBHuIbsTxaKENh1N2EQBOHaWv7gkHN4dgRbxSREqDnDbtFJYdpPauS4YCplMSNCABQ6Eeor69bAA==",
+      "integrity": "sha512-t13BGPUlFDR7wRB5kQDG4jjl7XeuH6jbJGt11JHPL96qwsEHNX2+68tFXqc1/k+/jALsbSWJKUOT/hcYAZ5LkA==",
-      "optionalDependencies": {
+      "engines": {
-        "clipboard": "^2.0.0"
+        "node": ">=6"
-      }
-    },
-    "node_modules/prismjs/node_modules/clipboard": {
-      "version": "2.0.6",
-      "resolved": "https://registry.npmjs.org/clipboard/-/clipboard-2.0.6.tgz",
-      "integrity": "sha512-g5zbiixBRk/wyKakSwCKd7vQXDjFnAMGHoEyBogG/bw9kTD9GvdAvaoRR1ALcEzt3pVKxZR0pViekPMIS0QyGg==",
-      "optional": true,
-      "dependencies": {
-        "good-listener": "^1.2.2",
-        "select": "^1.1.2",
-        "tiny-emitter": "^2.0.0"
       }
     },
     "node_modules/process-nextick-args": {
@@ -7388,12 +7343,6 @@
       "resolved": "https://registry.npmjs.org/sax/-/sax-1.2.4.tgz",
       "integrity": "sha512-NqVDv9TpANUjFm0N8uM5GxL36UgKi9/atZw+x7YFnQ8ckwFGKrl4xX4yWtrey3UJm5nP1kUbnYgLopqWNSRhWw=="
     },
-    "node_modules/select": {
-      "version": "1.1.2",
-      "resolved": "https://registry.npmjs.org/select/-/select-1.1.2.tgz",
-      "integrity": "sha1-DnNQrN7ICxEIUoeG7B1EGNEbOW0=",
-      "optional": true
-    },
     "node_modules/semver": {
       "version": "5.7.1",
       "resolved": "https://registry.npmjs.org/semver/-/semver-5.7.1.tgz",
@@ -8316,12 +8265,6 @@
       "integrity": "sha1-iQN8vJLFarGJJua6TLsgDhVnKmo=",
       "dev": true
     },
-    "node_modules/tiny-emitter": {
-      "version": "2.1.0",
-      "resolved": "https://registry.npmjs.org/tiny-emitter/-/tiny-emitter-2.1.0.tgz",
-      "integrity": "sha512-NB6Dk1A9xgQPMoGqC5CVXn123gWyte215ONT5Pp5a0yt4nlEoO1ZWeCwpncaekPHXO60i47ihFnZPiRPjRMq4Q==",
-      "optional": true
-    },
     "node_modules/tmpl": {
       "version": "1.0.4",
       "resolved": "https://registry.npmjs.org/tmpl/-/tmpl-1.0.4.tgz",
@@ -10092,17 +10035,6 @@
         }
       }
     },
-    "clipboard": {
-      "version": "1.7.1",
-      "resolved": "https://registry.npmjs.org/clipboard/-/clipboard-1.7.1.tgz",
-      "integrity": "sha1-Ng1taUbpmnof7zleQrqStem1oWs=",
-      "optional": true,
-      "requires": {
-        "good-listener": "^1.2.2",
-        "select": "^1.1.2",
-        "tiny-emitter": "^2.0.0"
-      }
-    },
     "cliui": {
       "version": "5.0.0",
       "resolved": "https://registry.npmjs.org/cliui/-/cliui-5.0.0.tgz",
@@ -10411,12 +10343,6 @@
       "resolved": "https://registry.npmjs.org/delayed-stream/-/delayed-stream-1.0.0.tgz",
       "integrity": "sha1-3zrhmayt+31ECqrgsp4icrJOxhk="
     },
-    "delegate": {
-      "version": "3.2.0",
-      "resolved": "https://registry.npmjs.org/delegate/-/delegate-3.2.0.tgz",
-      "integrity": "sha512-IofjkYBZaZivn0V8nnsMJGBr4jVLxHDheKSW88PyxS5QC4Vo9ZbZVvhzlSxY87fVq3STR6r+4cGepyHkcWOQSw==",
-      "optional": true
-    },
     "denque": {
       "version": "1.5.0",
       "resolved": "https://registry.npmjs.org/denque/-/denque-1.5.0.tgz",
@@ -11004,9 +10930,9 @@
       }
     },
     "express-rate-limit": {
-      "version": "5.3.0",
+      "version": "5.0.0",
-      "resolved": "https://registry.npmjs.org/express-rate-limit/-/express-rate-limit-5.3.0.tgz",
+      "resolved": "https://registry.npmjs.org/express-rate-limit/-/express-rate-limit-5.0.0.tgz",
-      "integrity": "sha512-qJhfEgCnmteSeZAeuOKQ2WEIFTX5ajrzE0xS6gCOBCoRQcU+xEzQmgYQQTpzCcqUAAzTEtu4YEih4pnLfvNtew=="
+      "integrity": "sha512-dhT57wqxfqmkOi4HM7NuT4Gd7gbUgSK2ocG27Y6lwm8lbOAw9XQfeANawGq8wLDtlGPO1ZgDj0HmKsykTxfFAg=="
     },
     "extend": {
       "version": "3.0.2",
@@ -11998,15 +11924,6 @@
         }
       }
     },
-    "good-listener": {
-      "version": "1.2.2",
-      "resolved": "https://registry.npmjs.org/good-listener/-/good-listener-1.2.2.tgz",
-      "integrity": "sha1-1TswzfkxPf+33JoNR3CWqm0UXFA=",
-      "optional": true,
-      "requires": {
-        "delegate": "^3.1.2"
-      }
-    },
     "graceful-fs": {
       "version": "4.2.2",
       "resolved": "https://registry.npmjs.org/graceful-fs/-/graceful-fs-4.2.2.tgz",
@@ -13788,16 +13705,6 @@
       "integrity": "sha1-lrLxpU24xgj7kjbR2BDpqLATKGA=",
       "requires": {
         "prismjs": "^1.5.0"
-      },
-      "dependencies": {
-        "prismjs": {
-          "version": "1.6.0",
-          "resolved": "https://registry.npmjs.org/prismjs/-/prismjs-1.6.0.tgz",
-          "integrity": "sha1-EY2V+3pm26InLjQ7NF9SNmWds2U=",
-          "requires": {
-            "clipboard": "^1.5.5"
-          }
-        }
       }
     },
     "normalize-package-data": {
@@ -14172,25 +14079,9 @@
       }
     },
     "prismjs": {
-      "version": "1.23.0",
+      "version": "1.27.0",
-      "resolved": "https://registry.npmjs.org/prismjs/-/prismjs-1.23.0.tgz",
+      "resolved": "https://registry.npmjs.org/prismjs/-/prismjs-1.27.0.tgz",
-      "integrity": "sha512-c29LVsqOaLbBHuIbsTxaKENh1N2EQBOHaWv7gkHN4dgRbxSREqDnDbtFJYdpPauS4YCplMSNCABQ6Eeor69bAA==",
+      "integrity": "sha512-t13BGPUlFDR7wRB5kQDG4jjl7XeuH6jbJGt11JHPL96qwsEHNX2+68tFXqc1/k+/jALsbSWJKUOT/hcYAZ5LkA=="
-      "requires": {
-        "clipboard": "^2.0.0"
-      },
-      "dependencies": {
-        "clipboard": {
-          "version": "2.0.6",
-          "resolved": "https://registry.npmjs.org/clipboard/-/clipboard-2.0.6.tgz",
-          "integrity": "sha512-g5zbiixBRk/wyKakSwCKd7vQXDjFnAMGHoEyBogG/bw9kTD9GvdAvaoRR1ALcEzt3pVKxZR0pViekPMIS0QyGg==",
-          "optional": true,
-          "requires": {
-            "good-listener": "^1.2.2",
-            "select": "^1.1.2",
-            "tiny-emitter": "^2.0.0"
-          }
-        }
-      }
     },
     "process-nextick-args": {
       "version": "2.0.1",
@@ -14677,12 +14568,6 @@
       "resolved": "https://registry.npmjs.org/sax/-/sax-1.2.4.tgz",
       "integrity": "sha512-NqVDv9TpANUjFm0N8uM5GxL36UgKi9/atZw+x7YFnQ8ckwFGKrl4xX4yWtrey3UJm5nP1kUbnYgLopqWNSRhWw=="
     },
-    "select": {
-      "version": "1.1.2",
-      "resolved": "https://registry.npmjs.org/select/-/select-1.1.2.tgz",
-      "integrity": "sha1-DnNQrN7ICxEIUoeG7B1EGNEbOW0=",
-      "optional": true
-    },
     "semver": {
       "version": "5.7.1",
       "resolved": "https://registry.npmjs.org/semver/-/semver-5.7.1.tgz",
@@ -15445,12 +15330,6 @@
       "integrity": "sha1-iQN8vJLFarGJJua6TLsgDhVnKmo=",
       "dev": true
     },
-    "tiny-emitter": {
-      "version": "2.1.0",
-      "resolved": "https://registry.npmjs.org/tiny-emitter/-/tiny-emitter-2.1.0.tgz",
-      "integrity": "sha512-NB6Dk1A9xgQPMoGqC5CVXn123gWyte215ONT5Pp5a0yt4nlEoO1ZWeCwpncaekPHXO60i47ihFnZPiRPjRMq4Q==",
-      "optional": true
-    },
     "tmpl": {
       "version": "1.0.4",
       "resolved": "https://registry.npmjs.org/tmpl/-/tmpl-1.0.4.tgz",

package.json

@@ -8,12 +8,12 @@
     "body-parser": "^1.19.0",
     "ejs": "^3.1.6",
     "express": "^4.17.1",
-    "express-rate-limit": "^5.3.0",
+    "express-rate-limit": "^5.0.0",
     "fa-diagrams": "^1.0.3",
     "mathjax-node": "^2.1.1",
     "ncp": "^2.0.0",
     "node-prismjs": "^0.1.0",
-    "prismjs": "^1.23.0",
+    "prismjs": "^1.27.0",
     "redis": "^3.0.2",
     "rss": "^1.2.2",
     "showdown": "^1.9.1"