feat: Add support for custom working directory

Author: nlemoine

.github/workflows/php-static-analysis.yml

@@ -63,4 +63,7 @@ jobs:
 
       - name: Run PHPStan
         if: steps.changed-files.outputs.all_changed_files != ''
-        run: ./vendor/bin/phpstan analyse ${{ inputs.PHPSTAN_ARGS }} ${{ join(steps.changed-files.outputs.all_changed_files, ' ') }} | cs2pr
+        run: |
+          ./vendor/bin/phpstan analyse ${{ inputs.PHPSTAN_ARGS }} ${{ steps.changed-files.outputs.all_changed_files }} \
+            | sed 's|name="|name="${{ inputs.WORKING_DIRECTORY }}/|g' \
+            | cs2pr