By default, `phpcs` exits with a non-zero exit code when it finds warnings. We keep that default, but allow changing it.
Co-authored-by: Vitaliy Golomoziy <vitaliy.golomoziy@gmail.com>
Add inputs to allow configuring error and warning severity levels.
This allows suppressing messages in the Mage-OS repository that are
ignored in upstream Magento Open Source CI, too.
Damien Retzinger
Vinai Kopp
Vinai Kopp
Gowri
Daniel Sloof