chore(deps): update dependency linkinator to v4 (#336)

Author: renovate-bot

packages/google-devtools-cloudbuild/package.json

@@ -32,7 +32,7 @@
     "jsdoc": "^3.6.2",
     "jsdoc-fresh": "^2.0.0",
     "jsdoc-region-tag": "^2.0.0",
-    "linkinator": "^2.0.0",
+    "linkinator": "^4.0.0",
     "mocha": "^9.2.2",
     "pack-n-play": "^1.0.0-2",
     "sinon": "^14.0.0",