Replace toml parsing library (#32)

"toml" does not support all TOML features
https://github.com/BinaryMuse/toml-node/issues/51

Fixes: #31

package-lock.json

@@ -13,7 +13,7 @@
         "@actions/exec": "^1.1.1",
         "@actions/github": "^6.0.0",
         "@actions/tool-cache": "^2.0.1",
-        "toml": "^3.0.0"
+        "@iarna/toml": "^2.2.5"
       },
       "devDependencies": {
         "@biomejs/biome": "1.9.4",
@@ -242,6 +242,11 @@
         "node": ">=14"
       }
     },
+    "node_modules/@iarna/toml": {
+      "version": "2.2.5",
+      "resolved": "https://registry.npmjs.org/@iarna/toml/-/toml-2.2.5.tgz",
+      "integrity": "sha512-trnsAYxU3xnS1gPHPyU961coFyLkh4gAD/0zQ5mymY4yOZ+CYvsPqUbOFSw0aDM4y0tV7tiFxL/1XfXPNC6IPg=="
+    },
     "node_modules/@octokit/auth-token": {
       "version": "4.0.0",
       "resolved": "https://registry.npmjs.org/@octokit/auth-token/-/auth-token-4.0.0.tgz",
@@ -454,11 +459,6 @@
         "semver": "bin/semver.js"
       }
     },
-    "node_modules/toml": {
-      "version": "3.0.0",
-      "resolved": "https://registry.npmjs.org/toml/-/toml-3.0.0.tgz",
-      "integrity": "sha512-y/mWCZinnvxjTKYhJ+pYxwD0mRLVvOtdS2Awbgxln6iEnt4rk0yBxeSBHkGJcPucRiG0e55mwWp+g/05rsrd6w=="
-    },
     "node_modules/tunnel": {
       "version": "0.0.6",
       "resolved": "https://registry.npmjs.org/tunnel/-/tunnel-0.0.6.tgz",