Use local phpcs, bump minimum PHP-version and start testing on PHP 8.5 #135

Job	Run time
PHP-Linter (8.5) / linter	10s
PHP-Linter (8.3) / linter	11s
Linter / json-linter	25s
Linter / yaml-linter	5s
PHP-Linter (8.2) / linter	10s
PHP-Linter (8.4) / linter	9s
Linter / style-linter	-1s
Linter / ecmascript-linter	-1s
Unit tests, PHP 8.3, windows-latest	48s
Unit tests, PHP 8.5, windows-latest	47s
Unit tests, PHP 8.4, windows-latest	47s
Unit tests, PHP 8.3, ubuntu-latest	14s
Unit tests, PHP 8.2, ubuntu-latest	11s
Unit tests, PHP 8.4, ubuntu-latest	11s
Unit tests, PHP 8.5, ubuntu-latest	11s
Unit tests, PHP 8.2, windows-latest	52s
Quality control	0s
Code coverage	0s
Security checks	0s
Cleanup artifacts	0s
	5m 9s

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