composer(deps-dev): Bump phpstan/extension-installer from 1.4.2 to 1.4.3 #3992

Job	Run time
Code Coverage (8.1, locked)	21s
Coding Standards (8.1, locked)	22s
Dependency Analysis (8.1, locked)	22s
Backward-Compatibility Analysis (8.1, locked)	23s
Mutation Tests (8.1, locked)	42s
Refactoring (8.1, locked)	27s
Security Analysis (8.1, locked)	22s
Static Code Analysis (8.1, locked)	41s
Tests (8.1, lowest)	29s
Tests (8.1, locked)	25s
Tests (8.1, highest)	31s
Tests (8.2, lowest)	27s
Tests (8.2, locked)	16s
Tests (8.2, highest)	18s
Tests (8.3, lowest)	17s
Tests (8.3, locked)	18s
Tests (8.3, highest)	24s
	7m 5s

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