Update PHPUnit workflow for PHP version and coverage

Author: nadar

.github/workflows/phpunit.yml

@@ -2,9 +2,6 @@ name: PHPUnit Tests
 
 on: [push, pull_request]
 
-env:
-  CC_TEST_REPORTER_ID: 1d1f74ba47a7d5ca9fd110c771ddac54d67608513924b89df2b7ed8761541244
-
 jobs:
   test:
     runs-on: ubuntu-latest
@@ -14,14 +11,15 @@ jobs:
 
     steps:
     - name: Checkout code
-      uses: actions/checkout@v3
+      uses: actions/checkout@v4
 
     - name: Setup PHP
       uses: shivammathur/setup-php@v2
       with:
         php-version: ${{ matrix.php }}
         extensions: mbstring
         tools: composer
+        coverage: xdebug
       env:
         COMPOSER_TOKEN: ${{ secrets.GITHUB_TOKEN }}
 
@@ -31,9 +29,12 @@ jobs:
     - name: Run tests
       run: ./vendor/bin/phpunit --coverage-clover=clover.xml --configuration actions.phpunit.xml
 
-    - name: Code coverage
-      run: |
-        curl -L https://codeclimate.com/downloads/test-reporter/test-reporter-latest-linux-amd64 > ./cc-test-reporter
-        chmod +x ./cc-test-reporter
-        ./cc-test-reporter after-build -t clover
-      if: matrix.php == '8.1'
+    - name: Upload coverage reports to Codecov
+      uses: codecov/codecov-action@v5
+      with:
+        token: ${{ secrets.CODECOV_TOKEN }}
+        files: ./clover.xml
+        flags: php-${{ matrix.php }}
+        fail_ci_if_error: false
+        verbose: true
+      if: matrix.php == '8.1'