Update renovate to update composer.

Author: zobo

.github/workflows/ci.yml

@@ -24,4 +24,11 @@ jobs:
         run: npm run eslint
       - name: Download Phpactor
         run: npm run download-phpactor
+      - name: Setup PHP
+        uses: shivammathur/setup-php@v2
+        with:
+          php-version: '8.3'
+          tools: composer
+      - name: Composer Install
+        run: composer install --prefer-dist --no-interaction --optimize-autoloader --no-dev
       - run: xvfb-run -a npm test

composer.json

@@ -2,6 +2,6 @@
   "prefer-stable": true,
   "minimum-stability": "dev",
   "require": {
-    "phpactor/phpactor": "*"
+    "phpactor/phpactor": "2025.02.21.0"
   }
 }