test: bump pedrotroller/php-cs-custom-fixer from 2.15.3 to 2.23.1

Bumps [pedrotroller/php-cs-custom-fixer](https://github.com/PedroTroller/PhpCSFixer-Custom-Fixers) from 2.15.3 to 2.23.1.
- [Release notes](https://github.com/PedroTroller/PhpCSFixer-Custom-Fixers/releases)
- [Changelog](https://github.com/PedroTroller/PhpCSFixer-Custom-Fixers/blob/master/.releaserc)
- [Commits](PedroTroller/PhpCSFixer-Custom-Fixers@v2.15.3...v2.23.1)

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