feat: share connection & DNS Cache to `CURLRequest` #13256

Job	Run time
Setup PHP Version for Code Coverage	2s
Others (8.3) / Sanity Tests	2m 27s
Others (8.1) / Sanity Tests	2m 22s
Others (8.4) / Sanity Tests	2m 21s
Others (8.2) / Sanity Tests	3m 44s
SeparateProcess (8.3) / tests	3m 19s
SeparateProcess (8.1) / tests	3m 23s
SeparateProcess (8.2) / tests	3m 54s
SeparateProcess (8.4) / tests	3m 33s
CacheLive (8.1) / Cache Live Tests	1m 59s
CacheLive (8.2) / Cache Live Tests	2m 30s
DatabaseLive (8.1, MySQLi, 8.0) / tests	5m 56s
CacheLive (8.3) / Cache Live Tests	1m 56s
DatabaseLive (8.4, SQLSRV, 8.0) / tests	5m 1s
DatabaseLive (8.4, SQLite3, 8.0) / tests	2m 34s
DatabaseLive (8.4, MySQLi, 8.0) / tests	4m 32s
CacheLive (8.4) / Cache Live Tests	1m 59s
DatabaseLive (8.1, Postgre, 8.0) / tests	2m 31s
DatabaseLive (8.1, MySQLi, 5.7) / tests	3m 32s
DatabaseLive (8.3, Postgre, 8.0) / tests	2m 36s
DatabaseLive (8.2, OCI8, 8.0) / tests	6m 40s
DatabaseLive (8.1, SQLite3, 8.0) / tests	3m 3s
DatabaseLive (8.3, OCI8, 8.0) / tests	6m 33s
DatabaseLive (8.4, Postgre, 8.0) / tests	2m 56s
DatabaseLive (8.1, OCI8, 8.0) / tests	6m 37s
DatabaseLive (8.2, MySQLi, 8.0) / tests	5m 0s
DatabaseLive (8.2, SQLite3, 8.0) / tests	3m 23s
DatabaseLive (8.1, SQLSRV, 8.0) / tests	5m 11s
DatabaseLive (8.3, MySQLi, 8.0) / tests	4m 41s
DatabaseLive (8.4, OCI8, 8.0) / tests	6m 34s
DatabaseLive (8.3, SQLite3, 8.0) / tests	2m 38s
DatabaseLive (8.2, Postgre, 8.0) / tests	3m 10s
DatabaseLive (8.2, SQLSRV, 8.0) / tests	5m 29s
DatabaseLive (8.3, SQLSRV, 8.0) / tests	5m 8s
Upload coverage results to Coveralls / coveralls	45s
	2h 7m 59s

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