composer(deps-dev): Bump ergebnis/php-cs-fixer-config from 6.25.1 to 6.28.1 #206

Job	Run time
Coding Standards (8.1, locked)	21s
Code Coverage (8.1, locked)	14s
Backward-Compatibility Analysis (8.1, locked)	26s
Dependency Analysis (8.1, locked)	15s
Refactoring (8.1, locked)	20s
Security Analysis (8.1, locked)	13s
Mutation Tests (8.1, locked)	21s
Static Code Analysis (8.1, locked)	23s
Tests (8.1, lowest)	13s
Tests (8.1, locked)	12s
Tests (8.1, highest)	12s
Tests (8.2, lowest)	14s
Tests (8.2, locked)	14s
Tests (8.2, highest)	13s
Tests (8.3, lowest)	19s
Tests (8.3, locked)	11s
Tests (8.3, highest)	17s
	4m 38s

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