add quotes

Author: kaeizen

.github/workflows/playwright.yml

@@ -12,22 +12,22 @@ jobs:
       fail-fast: false  # Ensures the matrix doesn't stop if one job fails
       matrix:
         include:
-          - php_version: 7.0
+          - php_version: '7.0'
             wp_version: 6.4
 
-          - php_version: 7.3
+          - php_version: '7.3'
             wp_version: null
 
-          - php_version: 8.2
+          - php_version: '8.2'
             wp_version: 6.4.5
 
-          - php_version: 8.2
+          - php_version: '8.2'
             wp_version: 6.5.5
 
-          - php_version: 8.2
+          - php_version: '8.2'
             wp_version: 6.6.2
 
-          - php_version: 8.2
+          - php_version: '8.2'
             wp_version: null
 
     name: PHP ${{ matrix.php_version }} and WP ${{ matrix.wp_version || 'latest' }}