Update and rename php.yml to tests.yml

Author: CodeWithSushil

.github/workflows/php.yml

@@ -0,0 +1,21 @@
+name: PHP Unit Tests
+
+on: [push, pull_request]
+
+jobs:
+  phpunit:
+    runs-on: ubuntu-latest
+    steps:
+    - name: Checkout code
+      uses: actions/checkout@v2
+
+    - name: Set up PHP
+      uses: shivammathur/setup-php@v2
+      with:
+        php-version: '8.4'
+
+    - name: Install dependencies
+      run: composer install --prefer-dist --no-progress --no-suggest
+
+    - name: Run PHPUnit
+      run: vendor/bin/phpunit