fix: upgrade prismjs from 1.23.0 to 1.29.0

Snyk has created this PR to upgrade prismjs from 1.23.0 to 1.29.0.

See this package in npm:
https://www.npmjs.com/package/prismjs

See this project in Snyk:
https://app.snyk.io/org/klemek/project/81af650f-8c8e-4116-b289-95415c85d8a7?utm_source=github&utm_medium=referral&page=upgrade-pr

package-lock.json

@@ -19,7 +19,7 @@
         "mathjax-node": "^2.1.1",
         "ncp": "^2.0.0",
         "node-prismjs": "^0.1.0",
-        "prismjs": "^1.25.0",
+        "prismjs": "^1.29.0",
         "redis": "^3.0.2",
         "rss": "^1.2.2",
         "showdown": "^1.9.1"
@@ -6694,9 +6694,12 @@
       }
     },
     "node_modules/prismjs": {
-      "version": "1.25.0",
-      "resolved": "https://registry.npmjs.org/prismjs/-/prismjs-1.25.0.tgz",
-      "integrity": "sha512-WCjJHl1KEWbnkQom1+SzftbtXMKQoezOCYs5rECqMN+jP+apI7ftoflyqigqzopSO3hMhTEb0mFClA8lkolgEg=="
+      "version": "1.29.0",
+      "resolved": "https://registry.npmjs.org/prismjs/-/prismjs-1.29.0.tgz",
+      "integrity": "sha512-Kx/1w86q/epKcmte75LNrEoT+lX8pBpavuAbvJWRXar7Hz8jrtF+e3vY751p0R8H9HdArwaCTNDDzHg/ScJK1Q==",
+      "engines": {
+        "node": ">=6"
+      }
     },
     "node_modules/process-nextick-args": {
       "version": "2.0.1",
@@ -14076,9 +14079,9 @@
       }
     },
     "prismjs": {
-      "version": "1.25.0",
-      "resolved": "https://registry.npmjs.org/prismjs/-/prismjs-1.25.0.tgz",
-      "integrity": "sha512-WCjJHl1KEWbnkQom1+SzftbtXMKQoezOCYs5rECqMN+jP+apI7ftoflyqigqzopSO3hMhTEb0mFClA8lkolgEg=="
+      "version": "1.29.0",
+      "resolved": "https://registry.npmjs.org/prismjs/-/prismjs-1.29.0.tgz",
+      "integrity": "sha512-Kx/1w86q/epKcmte75LNrEoT+lX8pBpavuAbvJWRXar7Hz8jrtF+e3vY751p0R8H9HdArwaCTNDDzHg/ScJK1Q=="
     },
     "process-nextick-args": {
       "version": "2.0.1",

package.json

@@ -13,7 +13,7 @@
     "mathjax-node": "^2.1.1",
     "ncp": "^2.0.0",
     "node-prismjs": "^0.1.0",
-    "prismjs": "^1.25.0",
+    "prismjs": "^1.29.0",
     "redis": "^3.0.2",
     "rss": "^1.2.2",
     "showdown": "^1.9.1"