composer(deps-dev): bump rector/rector from 0.18.13 to 0.19.8 #380

Job	Run time
Backward-Compatibility Analysis (8.1, locked)	19s
Coding Standards (8.1, locked)	22s
Code Coverage (8.1, locked)	20s
Mutation Tests (8.1, locked)	18s
Dependency Analysis (8.1, locked)	26s
Refactoring (8.1, locked)	13s
Security Analysis (8.1, locked)	16s
Static Code Analysis (8.1, locked)	24s
Tests (8.1, lowest)	25s
Tests (8.1, locked)	15s
Tests (8.1, highest)	31s
Tests (8.2, lowest)	36s
Tests (8.2, locked)	26s
Tests (8.2, highest)	34s
Tests (8.3, lowest)	23s
Tests (8.3, locked)	14s
Tests (8.3, highest)	15s
	6m 17s

Provide feedback