fix(ci): add zip extension to PHP CI setup

The ext-zip requirement in composer.json was missing from the CI
PHP extensions list, causing all Windows matrix jobs to fail.

Author: HugoFara

.github/workflows/php.yml

@@ -27,7 +27,7 @@ jobs:
         uses: shivammathur/setup-php@v2
         with:
           php-version: ${{ matrix.php-version }}
-          extensions: mbstring, mysqli, dom
+          extensions: mbstring, mysqli, dom, zip
           coverage: xdebug
 
       - name: Validate composer.json and composer.lock