Update dependency @types/node to v12.20.20

Author: renovate-bot

package-lock.json

@@ -61,7 +61,7 @@
     "@angular/cli": "12.1.3",
     "@angular/compiler-cli": "12.1.3",
     "@types/jasmine": "3.8.1",
-    "@types/node": "12.20.17",
+    "@types/node": "12.20.20",
     "@typescript-eslint/eslint-plugin": "4.28.5",
     "@typescript-eslint/parser": "4.28.5",
     "eslint": "7.31.0",