imp: install PHP-CS-Fixer locally, allowing us to run in locally

Author: Kocal

.github/workflows/test.yaml

@@ -10,9 +10,9 @@ jobs:
             - uses: shivammathur/setup-php@v2
               with:
                   php-version: '8.0'
-                  tools: php-cs-fixer
+            - uses: ramsey/composer-install@v2
             - name: php-cs-fixer
-              run: php-cs-fixer fix --dry-run --diff
+              run: ./vendor/bin/php-cs-fixer fix --dry-run --diff
 
     coding-style-js:
         runs-on: ubuntu-latest

composer.json

@@ -2,6 +2,7 @@
     "name": "symfony/ux",
     "license": "MIT",
     "require-dev": {
-        "symfony/filesystem": "^5.2|^6.0"
+        "symfony/filesystem": "^5.2|^6.0",
+        "friendsofphp/php-cs-fixer": "^3.13"
     }
 }