refactor: enable AddArrowFunctionReturnTypeRector #12719

Job	Run time
Setup PHP Version for Code Coverage	1s
Others (8.2) / Sanity Tests	3m 53s
Others (8.1) / Sanity Tests	2m 31s
Others (8.3) / Sanity Tests	2m 39s
CacheLive (8.1) / Cache Live Tests	2m 30s
CacheLive (8.3) / Cache Live Tests	2m 8s
CacheLive (8.2) / Cache Live Tests	2m 12s
DatabaseLive (8.1, MySQLi, 5.7) / tests	3m 4s
DatabaseLive (8.1, OCI8, 8.0) / tests	6m 14s
DatabaseLive (8.1, SQLite3, 8.0) / tests	2m 52s
DatabaseLive (8.1, MySQLi, 8.0) / tests	4m 6s
DatabaseLive (8.1, Postgre, 8.0) / tests	2m 26s
DatabaseLive (8.2, MySQLi, 8.0) / tests	4m 25s
DatabaseLive (8.1, SQLSRV, 8.0) / tests	4m 31s
DatabaseLive (8.2, OCI8, 8.0) / tests	6m 32s
DatabaseLive (8.2, Postgre, 8.0) / tests	3m 21s
DatabaseLive (8.2, SQLite3, 8.0) / tests	3m 21s
DatabaseLive (8.2, SQLSRV, 8.0) / tests	4m 48s
DatabaseLive (8.3, MySQLi, 8.0) / tests	3m 35s
DatabaseLive (8.3, OCI8, 8.0) / tests	6m 20s
DatabaseLive (8.3, Postgre, 8.0) / tests	2m 48s
DatabaseLive (8.3, SQLite3, 8.0) / tests	4m 20s
DatabaseLive (8.3, SQLSRV, 8.0) / tests	4m 12s
SeparateProcess (8.1) / tests	3m 41s
SeparateProcess (8.2) / tests	3m 39s
SeparateProcess (8.3) / tests	3m 27s
Upload coverage results to Coveralls / coveralls	53s
	1h 34m 29s

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