Fixed PHPCS github workflow for unexisting ruleset

[sreichel]

With last change all errors are ignored.

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Related Pull Requests

Fixed Issues (if relevant)

1. Fixes OpenMage/magento-lts#<issue_number>

Manual testing scenarios (*)

1. ...
2. ...

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• Pull request has a meaningful description of its purpose
• All commits are accompanied by meaningful commit messages
• All automated tests passed successfully (all builds are green)
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[kiatng]

I asked ChatGPT for help, it says:

In summary, the difference between these two statements lies in the specific ruleset files they are checking for. The first statement continues on error for files using a ruleset other than .github/phpcs-ruleset.xml, while the second statement continues on error for files using a ruleset other than .phpcs.xml.dist. ...

there is no such file .github/phpcs-ruleset.xml