Update PHP CS Fixer version

[Sebbo94BY]

• Updates PHP CS Fixer to the latest version
• Applies respective code-style changes

[codecov[bot]]

Codecov Report

Attention: Patch coverage is 0% with 1 lines in your changes are missing coverage. Please review.

Project coverage is 68.36%. Comparing base (a558c56) to head (7aca6d1).

Files	Patch %	Lines
...ttp/Controllers/Helpers/SystemStatusController.php	0.00%	1 Missing :warning:

Additional details and impacted files

```diff @@ Coverage Diff @@ ## main #327 +/- ## ============================================ - Coverage 68.40% 68.36% -0.05% Complexity 539 539 ============================================ Files 92 92 Lines 2162 2162 ============================================ - Hits 1479 1478 -1 - Misses 683 684 +1 ```

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