feat: update all GitHub Actions workflows from Node.js to Go

Replace Node.js setup, npm install, and node/npm commands with
Go setup, go build, and the new awesome-docker CLI binary in all
four workflow files: pull_request, broken_links, health_report,
and deploy-pages.

Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>

.github/workflows/deploy-pages.yml

@@ -20,22 +20,20 @@ jobs:
     runs-on: ubuntu-latest
     steps:
       - name: Checkout
-        uses: actions/checkout@de0fac2e4500dabe0009e67214ff5f5447ce83dd # ratchet:actions/checkout@v6.0.2
+        uses: actions/checkout@v4
 
-      - name: Setup Node.js
-        uses: actions/setup-node@6044e13b5dc448c55e2357c09f80417699197238 # ratchet:actions/setup-node@v6.2.0
+      - uses: actions/setup-go@v5
         with:
-          node-version-file: '.nvmrc'
-          cache: 'npm'
+          go-version: "1.22"
 
-      - name: Install dependencies
-        run: npm ci
+      - name: Build CLI
+        run: go build -o awesome-docker ./cmd/awesome-docker
 
       - name: Build website
-        run: npm run build
+        run: ./awesome-docker build
 
       - name: Upload artifact
-        uses: actions/upload-pages-artifact@7b1f4a764d45c48632c6b24a0339c27f5614fb0b # ratchet:actions/upload-pages-artifact@v4
+        uses: actions/upload-pages-artifact@v4
         with:
           path: ./website
 
@@ -48,4 +46,4 @@ jobs:
     steps:
       - name: Deploy to GitHub Pages
         id: deployment
-        uses: actions/deploy-pages@d6db90164ac5ed86f2b6aed7e0febac5b3c0c03e # ratchet:actions/deploy-pages@v4
+        uses: actions/deploy-pages@v4