refactor: reduce PHPStan child return type baseline #14901

Job	Run time
Setup PHP Version for Code Coverage	4s
Others (8.5) / Sanity Tests	2m 24s
Others (8.4) / Sanity Tests	1m 40s
Others (8.3) / Sanity Tests	1m 25s
Others (8.2) / Sanity Tests	2m 37s
CacheLive (8.5) / Cache Live Tests	1m 12s
CacheLive (8.4) / Cache Live Tests	1m 28s
CacheLive (8.3) / Cache Live Tests	1m 11s
SeparateProcess (8.3) / tests	2m 9s
CacheLive (8.2) / Cache Live Tests	1m 24s
DatabaseLive (8.4, SQLite3, 8.0) / tests	1m 12s
SeparateProcess (8.4) / tests	2m 16s
SeparateProcess (8.5) / tests	2m 4s
SeparateProcess (8.2) / tests	2m 17s
DatabaseLive (8.2, MySQLi, 8.0) / tests	4m 50s
DatabaseLive (8.5, OCI8, 8.0) / tests	7m 0s
DatabaseLive (8.5, SQLSRV, 8.0) / tests	4m 29s
DatabaseLive (8.4, SQLSRV, 8.0) / tests	4m 34s
DatabaseLive (8.3, SQLite3, 8.0) / tests	1m 13s
DatabaseLive (8.3, Postgre, 8.0) / tests	1m 48s
DatabaseLive (8.5, SQLite3, 8.0) / tests	1m 14s
DatabaseLive (8.3, MySQLi, 8.0) / tests	3m 28s
DatabaseLive (8.2, SQLite3, 8.0) / tests	2m 53s
DatabaseLive (8.3, SQLSRV, 8.0) / tests	5m 26s
DatabaseLive (8.2, Postgre, 8.0) / tests	2m 46s
DatabaseLive (8.2, MySQLi, 5.7) / tests	3m 5s
DatabaseLive (8.5, MySQLi, 8.0) / tests	3m 49s
DatabaseLive (8.2, OCI8, 8.0) / tests	8m 51s
DatabaseLive (8.4, Postgre, 8.0) / tests	1m 34s
DatabaseLive (8.3, OCI8, 8.0) / tests	7m 14s
DatabaseLive (8.2, SQLSRV, 8.0) / tests	5m 38s
DatabaseLive (8.4, OCI8, 8.0) / tests	7m 10s
DatabaseLive (8.4, MySQLi, 8.0) / tests	3m 35s
DatabaseLive (8.5, Postgre, 8.0) / tests	1m 37s
Upload coverage results to Coveralls / coveralls	52s
	1h 46m 29s

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