refactor: `Reflection*::setAccessible()` is now no-op in PHP 8.1 (#9331) #12653

Job	Run time
Setup PHP Version for Code Coverage	1s
Others (8.1) / Sanity Tests	2m 18s
Others (8.3) / Sanity Tests	2m 41s
Others (8.2) / Sanity Tests	3m 51s
CacheLive (8.1) / Cache Live Tests	2m 9s
CacheLive (8.2) / Cache Live Tests	2m 11s
CacheLive (8.3) / Cache Live Tests	2m 2s
DatabaseLive (8.1, MySQLi, 5.7) / tests	2m 54s
SeparateProcess (8.1) / tests	3m 15s
DatabaseLive (8.1, MySQLi, 8.0) / tests	4m 13s
SeparateProcess (8.2) / tests	4m 1s
SeparateProcess (8.3) / tests	3m 28s
DatabaseLive (8.1, OCI8, 8.0) / tests	6m 8s
DatabaseLive (8.1, Postgre, 8.0) / tests	2m 34s
DatabaseLive (8.1, SQLite3, 8.0) / tests	2m 40s
DatabaseLive (8.1, SQLSRV, 8.0) / tests	4m 21s
DatabaseLive (8.2, MySQLi, 8.0) / tests	5m 19s
DatabaseLive (8.2, OCI8, 8.0) / tests	7m 2s
DatabaseLive (8.2, Postgre, 8.0) / tests	3m 5s
DatabaseLive (8.2, SQLite3, 8.0) / tests	3m 14s
DatabaseLive (8.2, SQLSRV, 8.0) / tests	5m 2s
DatabaseLive (8.3, MySQLi, 8.0) / tests	3m 57s
DatabaseLive (8.3, OCI8, 8.0) / tests	5m 53s
DatabaseLive (8.3, Postgre, 8.0) / tests	2m 34s
DatabaseLive (8.3, SQLite3, 8.0) / tests	2m 28s
DatabaseLive (8.3, SQLSRV, 8.0) / tests	4m 22s
Upload coverage results to Coveralls / coveralls	42s
	1h 32m 25s

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