Update php-package-tests.yml

Author: mlantz

.github/workflows/php-package-tests.yml

@@ -15,11 +15,18 @@ jobs:
         php-versions: ['8.2']
 
     steps:
-    - uses: actions/checkout@v3
-    - uses: actions/setup-node@v3
+    - uses: actions/checkout@v4
+    - uses: actions/setup-node@v4
       with:
         node-version: 20
 
+    - name: Setup PHP
+      uses: shivammathur/setup-php@v2
+      with:
+        php-version: '8.2'
+        coverage: 'xdebug'
+        extensions: dom, libxml, json
+
     - name: Validate composer.json and composer.lock
       run: composer validate