composer(deps-dev): Bump phpstan/phpstan from 1.11.5 to 1.11.6 #2982

Job	Run time
Code Coverage (8.1, locked)	15s
Backward-Compatibility Analysis (8.1, locked)	17s
Dependency Analysis (8.1, locked)	24s
Coding Standards (8.1, locked)	22s
Mutation Tests (8.1, locked)	16s
Refactoring (8.1, locked)	19s
Security Analysis (8.1, locked)	25s
Static Code Analysis (8.1, locked)	33s
Tests (8.1, lowest)	17s
Tests (8.1, locked)	15s
Tests (8.1, highest)	17s
Tests (8.2, lowest)	25s
Tests (8.2, locked)	17s
Tests (8.2, highest)	21s
Tests (8.3, lowest)	18s
Tests (8.3, locked)	21s
Tests (8.3, highest)	21s
	5m 43s

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