feat: remove continue-on-error from PHPStan step

Author: Morgy93

.github/workflows/phpstan.yml

@@ -114,6 +114,5 @@ jobs:
 
       - name: Run PHPStan
         working-directory: magento2
-        continue-on-error: true
         run: |
           vendor/bin/phpstan analyse -c vendor/openforgeproject/mageforge/phpstan.neon vendor/openforgeproject/mageforge/src