Move linkinator to GitHub Actions. (#35573)

* Move linkinator to GitHub Actions.

* Remove `docs-linkinator` npm script since it's no longer used

.github/workflows/docs.yml

@@ -30,5 +30,16 @@ jobs:
       - name: Install npm dependencies
         run: npm ci
 
-      - name: Test docs
-        run: npm run docs
+      - name: Build docs
+        run: npm run docs-build
+
+      - name: Validate HTML
+        run: npm run docs-vnu
+
+      - name: Run linkinator
+        uses: JustinBeckwith/linkinator-action@v1
+        with:
+          paths: _site
+          recurse: true
+          verbosity: error
+          skip: "^(?!http://localhost)"

package.json

@@ -52,13 +52,12 @@
     "docs": "npm-run-all docs-build docs-lint",
     "docs-build": "hugo --cleanDestinationDir",
     "docs-compile": "npm run docs-build",
-    "docs-linkinator": "linkinator _site --recurse --skip \"^(?!http://localhost)\" --verbosity error",
     "docs-vnu": "node build/vnu-jar.js",
-    "docs-lint": "npm-run-all --aggregate-output --parallel docs-vnu docs-linkinator",
+    "docs-lint": "npm run docs-vnu",
     "docs-serve": "hugo server --port 9001 --disableFastRender",
     "docs-serve-only": "npx sirv-cli _site --port 9001",
     "lockfile-lint": "lockfile-lint --allowed-hosts npm --allowed-schemes https: --empty-hostname false --type npm --path package-lock.json",
-    "update-deps": "ncu -u -x \"globby,jquery,karma-browserstack-launcher,sinon\" && echo Manually update site/assets/js/vendor",
+    "update-deps": "ncu -u -x globby,jquery,karma-browserstack-launcher,sinon && echo Manually update site/assets/js/vendor",
     "release": "npm-run-all dist release-sri docs-build release-zip*",
     "release-sri": "node build/generate-sri.js",
     "release-version": "node build/change-version.js",
@@ -124,7 +123,6 @@
     "karma-firefox-launcher": "^2.1.2",
     "karma-qunit": "^4.1.2",
     "karma-sinon": "^1.0.5",
-    "linkinator": "^3.0.3",
     "lockfile-lint": "^4.6.2",
     "node-sass": "^7.0.1",
     "nodemon": "^2.0.15",