composer(deps-dev): Bump rector/rector from 1.1.1 to 1.2.0 #2985

Job	Run time
Dependency Analysis (8.1, locked)	18s
Code Coverage (8.1, locked)	33s
Backward-Compatibility Analysis (8.1, locked)	16s
Mutation Tests (8.1, locked)	13s
Coding Standards (8.1, locked)	21s
Refactoring (8.1, locked)	14s
Security Analysis (8.1, locked)	25s
Static Code Analysis (8.1, locked)	34s
Tests (8.1, lowest)	18s
Tests (8.1, locked)	19s
Tests (8.1, highest)	17s
Tests (8.2, lowest)	17s
Tests (8.2, locked)	16s
Tests (8.2, highest)	21s
Tests (8.3, lowest)	19s
Tests (8.3, locked)	15s
Tests (8.3, highest)	21s
	5m 37s

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