refactor: Use `strtolower` with `str_contains`/`str_**_with` as replacement for `stripos` #12905

Job	Run time
Setup PHP Version for Code Coverage	1s
Others (8.2) / Sanity Tests	3m 27s
Others (8.3) / Sanity Tests	2m 28s
Others (8.1) / Sanity Tests	2m 34s
CacheLive (8.1) / Cache Live Tests	2m 9s
CacheLive (8.3) / Cache Live Tests	2m 1s
CacheLive (8.2) / Cache Live Tests	2m 6s
DatabaseLive (8.1, MySQLi, 5.7) / tests	2m 57s
DatabaseLive (8.1, MySQLi, 8.0) / tests	4m 15s
DatabaseLive (8.1, OCI8, 8.0) / tests	5m 53s
DatabaseLive (8.1, Postgre, 8.0) / tests	2m 22s
DatabaseLive (8.1, SQLite3, 8.0) / tests	2m 25s
DatabaseLive (8.1, SQLSRV, 8.0) / tests	4m 24s
DatabaseLive (8.2, MySQLi, 8.0) / tests	5m 33s
DatabaseLive (8.2, OCI8, 8.0) / tests	6m 7s
DatabaseLive (8.2, Postgre, 8.0) / tests	2m 56s
DatabaseLive (8.2, SQLite3, 8.0) / tests	3m 25s
DatabaseLive (8.2, SQLSRV, 8.0) / tests	5m 1s
DatabaseLive (8.3, MySQLi, 8.0) / tests	3m 47s
DatabaseLive (8.3, OCI8, 8.0) / tests	6m 3s
DatabaseLive (8.3, Postgre, 8.0) / tests	2m 22s
DatabaseLive (8.3, SQLite3, 8.0) / tests	2m 27s
DatabaseLive (8.3, SQLSRV, 8.0) / tests	4m 7s
SeparateProcess (8.1) / tests	3m 10s
SeparateProcess (8.2) / tests	3m 18s
SeparateProcess (8.3) / tests	3m 16s
Upload coverage results to Coveralls / coveralls	36s
	1h 29m 10s

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