[CI] fabbot.io isn't working properly

Fabbot.io seems to not be working properly, since there are some PRs with checks that are passing, but they indeed are offending basic CS rules.
Some examples:

Moreover, It would be nice to know also which version of PHP-CS-Fixer and which of their rules is fabbot.io using in order to help with the debug of these kind of issues and ensuring a consistent codebase according the well defined CS standards.