Update php-testing.yml

Author: adityapatadia

.github/workflows/php-testing.yml

@@ -8,12 +8,12 @@ jobs:
     strategy:
       fail-fast: false
       matrix:
-        operating-system: [ubuntu-20.04]
-        php-versions: ['7.2', '7.3', '7.4', '8.0', '8.1']
+        operating-system: [ubuntu-22.04]
+        php-versions: ['7.2', '7.3', '7.4', '8.0', '8.1', '8.2']
     name: PHP ${{ matrix.php-versions }} Test on ${{ matrix.operating-system }}
     steps:
     - name: Checkout
-      uses: actions/checkout@v2
+      uses: actions/checkout@v4
 
     - name: Setup PHP
       uses: shivammathur/setup-php@v2