Added github action workflow to upload code coverage to Scrutinizer

.github/workflows/scrutinize.yaml

@@ -0,0 +1,26 @@
+name: Generate and upload test coverage
+on:
+  workflow_run:
+    workflows: ['**']
+    types:
+      - completed
+
+jobs:
+  scrutinize:
+    runs-on: ubuntu-latest
+    if: ${{ github.event.workflow_run.conclusion == 'success' }}
+    steps:
+      - uses: actions/checkout@v4
+      - name: Cache Composer packages
+        uses: actions/cache@v3
+        with:
+          path: vendor
+          key: ${{ runner.os }}-php-${{ matrix.php_version}}-${{ hashFiles('**/composer.lock') }}
+      - name: Install dependencies
+        uses: php-actions/composer@v6
+      - name: Generate PHP tests coverage
+        run: XDEBUG_MODE=coverage vendor/bin/phpunit --coverage-clover coverage.clover
+      - name: Upload Scrutinizer coverage
+        uses: sudo-bot/action-scrutinizer@latest
+        with:
+          cli-args: "--format=php-clover ./clover.xml"