refactor: add `system/util_bootstrap.php` to curb overreliance to `sy… #13267

Job	Run time
Setup PHP Version for Code Coverage	2s
Others (8.1) / Sanity Tests	2m 31s
Others (8.2) / Sanity Tests	3m 32s
Others (8.3) / Sanity Tests	2m 31s
Others (8.4) / Sanity Tests	2m 19s
SeparateProcess (8.3) / tests	3m 41s
SeparateProcess (8.1) / tests	3m 11s
SeparateProcess (8.2) / tests	3m 6s
DatabaseLive (8.2, SQLSRV, 8.0) / tests	6m 6s
DatabaseLive (8.2, OCI8, 8.0) / tests	7m 10s
SeparateProcess (8.4) / tests	3m 34s
DatabaseLive (8.1, Postgre, 8.0) / tests	3m 0s
DatabaseLive (8.3, SQLSRV, 8.0) / tests	4m 57s
DatabaseLive (8.1, MySQLi, 8.0) / tests	6m 10s
DatabaseLive (8.1, SQLSRV, 8.0) / tests	4m 53s
DatabaseLive (8.3, SQLite3, 8.0) / tests	2m 26s
DatabaseLive (8.1, OCI8, 8.0) / tests	5m 52s
DatabaseLive (8.4, MySQLi, 8.0) / tests	5m 54s
DatabaseLive (8.3, MySQLi, 8.0) / tests	5m 10s
DatabaseLive (8.3, OCI8, 8.0) / tests	6m 12s
DatabaseLive (8.2, SQLite3, 8.0) / tests	2m 59s
DatabaseLive (8.3, Postgre, 8.0) / tests	2m 31s
DatabaseLive (8.4, SQLite3, 8.0) / tests	2m 42s
DatabaseLive (8.4, OCI8, 8.0) / tests	6m 42s
DatabaseLive (8.2, MySQLi, 8.0) / tests	6m 44s
DatabaseLive (8.1, SQLite3, 8.0) / tests	2m 23s
DatabaseLive (8.1, MySQLi, 5.7) / tests	3m 17s
DatabaseLive (8.2, Postgre, 8.0) / tests	3m 31s
CacheLive (8.2) / Cache Live Tests	2m 6s
CacheLive (8.1) / Cache Live Tests	2m 10s
DatabaseLive (8.4, Postgre, 8.0) / tests	3m 6s
CacheLive (8.4) / Cache Live Tests	2m 6s
CacheLive (8.3) / Cache Live Tests	2m 5s
DatabaseLive (8.4, SQLSRV, 8.0) / tests	5m 36s
Upload coverage results to Coveralls / coveralls	40s
	2h 10m 55s

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