fix(ci): install chromium instead of google-chrome-stable for arm64 support

.gitea/workflows/deploy.yml

@@ -344,19 +344,18 @@ jobs:
       - name: Install dependencies
         run: npm ci
 
-      - name: 🔍 Install Chrome for Lighthouse
+      - name: 🔍 Install Chromium
         run: |
-          apt-get update && apt-get install -y wget gnupg
-          wget -q -O - https://dl-ssl.google.com/linux/linux_signing_key.pub | apt-key add -
-          sh -c 'echo "deb [arch=amd64] http://dl.google.com/linux/chrome/deb/ stable main" >> /etc/apt/sources.list.d/google.list'
-          apt-get update && apt-get install -y google-chrome-stable --no-install-recommends
-        continue-on-error: true # Might fail if runner is not debian-based or restricted
+          apt-get update
+          apt-get install -y chromium
+        continue-on-error: true
 
       - name: 🧪 Run PageSpeed (Lighthouse)
         env:
           NEXT_PUBLIC_BASE_URL: ${{ needs.prepare.outputs.next_public_base_url }}
           GATEKEEPER_PASSWORD: ${{ secrets.GATEKEEPER_PASSWORD || 'klz2026' }}
           PAGESPEED_LIMIT: 8
+          PUPPETEER_EXECUTABLE_PATH: /usr/bin/chromium
         run: npm run pagespeed:test
 
       - name: 💾 Save Report URL