refactor: cleanup deprecations in `CodeIgniter` #14294

Job	Run time
Setup PHP Version for Code Coverage	3s
Others (8.2) / Sanity Tests	3m 53s
Others (8.5) / Sanity Tests	2m 30s
Others (8.3) / Sanity Tests	2m 40s
Others (8.4) / Sanity Tests	2m 40s
SeparateProcess (8.2) / tests	3m 43s
SeparateProcess (8.4) / tests	2m 58s
SeparateProcess (8.5) / tests	3m 31s
SeparateProcess (8.3) / tests	3m 37s
CacheLive (8.5) / Cache Live Tests	2m 4s
CacheLive (8.3) / Cache Live Tests	2m 14s
CacheLive (8.4) / Cache Live Tests	2m 16s
CacheLive (8.2) / Cache Live Tests	2m 17s
DatabaseLive (8.4, Postgre, 8.0) / tests	2m 49s
DatabaseLive (8.2, SQLite3, 8.0) / tests	3m 3s
DatabaseLive (8.5, Postgre, 8.0) / tests	3m 0s
DatabaseLive (8.5, OCI8, 8.0) / tests	6m 34s
DatabaseLive (8.4, SQLite3, 8.0) / tests	2m 19s
DatabaseLive (8.2, MySQLi, 8.0) / tests	4m 39s
DatabaseLive (8.5, MySQLi, 8.0) / tests	4m 44s
DatabaseLive (8.3, Postgre, 8.0) / tests	3m 1s
DatabaseLive (8.3, MySQLi, 8.0) / tests	4m 34s
DatabaseLive (8.2, Postgre, 8.0) / tests	3m 54s
DatabaseLive (8.2, OCI8, 8.0) / tests	7m 31s
DatabaseLive (8.2, SQLSRV, 8.0) / tests	6m 20s
DatabaseLive (8.5, SQLSRV, 8.0) / tests	5m 30s
DatabaseLive (8.4, MySQLi, 8.0) / tests	4m 34s
DatabaseLive (8.3, OCI8, 8.0) / tests	7m 9s
DatabaseLive (8.2, MySQLi, 5.7) / tests	3m 33s
DatabaseLive (8.5, SQLite3, 8.0) / tests	2m 16s
DatabaseLive (8.4, OCI8, 8.0) / tests	6m 40s
DatabaseLive (8.4, SQLSRV, 8.0) / tests	5m 4s
DatabaseLive (8.3, SQLite3, 8.0) / tests	2m 15s
DatabaseLive (8.3, SQLSRV, 8.0) / tests	6m 2s
Upload coverage results to Coveralls / coveralls	40s
	2h 10m 37s

Provide feedback