ci: use compatible PHP runner image

.gitea/workflows/ci.yml

@@ -14,6 +14,7 @@ jobs:
   test:
     name: 🧪 Tests Laravel
     runs-on: ubuntu-latest
+    container: shivammathur/node:php-8.4-24.04-amd64
     env:
       DB_CONNECTION: sqlite
       DB_DATABASE: database/database.sqlite
@@ -22,17 +23,6 @@ jobs:
       - name: 📥 Checkout
         uses: actions/checkout@v4
 
-      - name: Install PHP runtime dependencies
-        run: |
-          apt_prefix=""
-
-          if [ "$(id -u)" -ne 0 ]; then
-            apt_prefix="sudo"
-          fi
-
-          $apt_prefix apt-get update
-          $apt_prefix apt-get install -y --no-install-recommends libsodium23
-
       - name: 🐘 Setup PHP
         uses: shivammathur/setup-php@v2
         env: