chore: update PHP version to 8.5 in php-cs-fixer workflow

Author: vinkla

.github/workflows/php-cs-fixer.yml

@@ -16,7 +16,7 @@ jobs:
       - uses: actions/checkout@v6
       - uses: shivammathur/setup-php@v2
         with:
-          php-version: 8.4
+          php-version: 8.5
           coverage: xdebug
           tools: php-cs-fixer, cs2pr
       - run: php-cs-fixer fix . --dry-run --rules=@PER-CS --format=checkstyle --no-interaction | cs2pr