chore(deps): update dependency @types/node to v20

Author: renovate[bot]

package-lock.json

@@ -30,7 +30,7 @@
     "@octokit/tsconfig": "^2.0.0",
     "@types/fetch-mock": "^7.3.7",
     "@types/jest": "^29.0.0",
-    "@types/node": "^18.18.6",
+    "@types/node": "^20.0.0",
     "esbuild": "^0.19.5",
     "fetch-mock": "npm:@gr2m/[email protected]",
     "glob": "^10.3.10",