feat: [Validation] add `field_exists` rule #9860

Job	Run time
Setup PHP Version for Code Coverage	1s
Others (8.2) / Sanity Tests	3m 52s
Others (8.3) / Sanity Tests	2m 40s
Others (8.1) / Sanity Tests	6m 46s
CacheLive (8.1) / Cache Live Tests	2m 14s
CacheLive (8.2) / Cache Live Tests	3m 28s
CacheLive (8.3) / Cache Live Tests	4m 19s
SeparateProcess (8.1) / tests	4m 26s
DatabaseLive (8.1, MySQLi, 8.0) / tests	4m 17s
SeparateProcess (8.2) / tests	3m 35s
DatabaseLive (8.1, OCI8, 5.7) / tests	8m 54s
SeparateProcess (8.3) / tests	4m 1s
DatabaseLive (8.1, MySQLi, 5.7) / tests	3m 56s
DatabaseLive (8.1, Postgre, 5.7) / tests	4m 44s
DatabaseLive (8.1, SQLite3, 5.7) / tests	4m 28s
DatabaseLive (8.1, SQLSRV, 5.7) / tests	4m 49s
DatabaseLive (8.2, MySQLi, 5.7) / tests	3m 5s
DatabaseLive (8.2, OCI8, 5.7) / tests	8m 34s
DatabaseLive (8.2, Postgre, 5.7) / tests	3m 3s
DatabaseLive (8.2, SQLite3, 5.7) / tests	4m 46s
DatabaseLive (8.2, SQLSRV, 5.7) / tests	6m 30s
DatabaseLive (8.3, MySQLi, 5.7) / tests	5m 31s
DatabaseLive (8.3, OCI8, 5.7) / tests	6m 35s
DatabaseLive (8.3, Postgre, 5.7) / tests	4m 12s
DatabaseLive (8.3, SQLite3, 5.7) / tests	2m 52s
DatabaseLive (8.3, SQLSRV, 5.7) / tests	5m 8s
Upload coverage results to Coveralls / coveralls	1m 0s
	1h 57m 46s

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