Merge pull request #30 from PHPCompatibility/feature/ghactions-turn-on-error-reporting

GH Actions: set error reporting to E_ALL

Author: jrfnl

.github/workflows/ci.yml

@@ -76,6 +76,7 @@ jobs:
         uses: shivammathur/setup-php@v2
         with:
           php-version: ${{ matrix.php }}
+          ini-values: error_reporting=E_ALL, display_errors=On
           coverage: none
 
       - name: Conditionally update PHPCompatibility to develop version