composer(deps-dev): Bump phpstan/phpstan from 1.11.11 to 1.12.0 #3026

Job	Run time
Dependency Analysis (8.1, locked)	27s
Backward-Compatibility Analysis (8.1, locked)	18s
Code Coverage (8.1, locked)	17s
Coding Standards (8.1, locked)	19s
Mutation Tests (8.1, locked)	16s
Refactoring (8.1, locked)	24s
Security Analysis (8.1, locked)	19s
Static Code Analysis (8.1, locked)	30s
Tests (8.1, lowest)	22s
Tests (8.1, locked)	17s
Tests (8.1, highest)	20s
Tests (8.2, lowest)	19s
Tests (8.2, locked)	17s
Tests (8.2, highest)	16s
Tests (8.3, lowest)	16s
Tests (8.3, locked)	15s
Tests (8.3, highest)	18s
	5m 30s

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