Update dependency @types/node to v20 (#453)

Co-authored-by: renovate[bot] <29139614+renovate[bot]@users.noreply.github.com>

Author: renovate[bot]

package-lock.json

@@ -557,7 +557,7 @@
     "@types/antlr4": "4.11.2",
     "@types/glob": "^8.0.0",
     "@types/mocha": "~10.0.1",
-    "@types/node": "~18.17.0",
+    "@types/node": "~20.8.0",
     "@types/vscode": "^1.74.0",
     "@types/which": "^3.0.0",
     "@typescript-eslint/eslint-plugin": "^6.0.0",