fix(core): resolve PHPStan iterable type errors (#8732) #13827

Job	Run time
Setup PHP Version for Code Coverage	2s
Others (8.1) / Sanity Tests	2m 54s
Others (8.2) / Sanity Tests	3m 55s
Others (8.3) / Sanity Tests	2m 43s
Others (8.4) / Sanity Tests	2m 51s
SeparateProcess (8.1) / tests	3m 40s
SeparateProcess (8.3) / tests	3m 38s
SeparateProcess (8.2) / tests	3m 15s
SeparateProcess (8.4) / tests	3m 44s
CacheLive (8.1) / Cache Live Tests	2m 30s
CacheLive (8.2) / Cache Live Tests	2m 20s
CacheLive (8.4) / Cache Live Tests	2m 8s
DatabaseLive (8.3, Postgre, 8.0) / tests	2m 51s
CacheLive (8.3) / Cache Live Tests	2m 11s
DatabaseLive (8.1, Postgre, 8.0) / tests	2m 57s
DatabaseLive (8.4, OCI8, 8.0) / tests	6m 44s
DatabaseLive (8.3, MySQLi, 8.0) / tests	5m 6s
DatabaseLive (8.4, SQLite3, 8.0) / tests	2m 35s
DatabaseLive (8.3, SQLSRV, 8.0) / tests	5m 24s
DatabaseLive (8.1, SQLite3, 8.0) / tests	2m 49s
DatabaseLive (8.1, MySQLi, 8.0) / tests	5m 55s
DatabaseLive (8.1, OCI8, 8.0) / tests	6m 28s
DatabaseLive (8.2, OCI8, 8.0) / tests	7m 36s
DatabaseLive (8.2, SQLite3, 8.0) / tests	2m 59s
DatabaseLive (8.2, SQLSRV, 8.0) / tests	5m 26s
DatabaseLive (8.3, SQLite3, 8.0) / tests	2m 15s
DatabaseLive (8.4, Postgre, 8.0) / tests	2m 58s
DatabaseLive (8.4, MySQLi, 8.0) / tests	4m 6s
DatabaseLive (8.4, SQLSRV, 8.0) / tests	4m 53s
DatabaseLive (8.1, SQLSRV, 8.0) / tests	5m 32s
DatabaseLive (8.2, MySQLi, 8.0) / tests	5m 0s
DatabaseLive (8.2, Postgre, 8.0) / tests	3m 28s
DatabaseLive (8.1, MySQLi, 5.7) / tests	3m 10s
DatabaseLive (8.3, OCI8, 8.0) / tests	6m 22s
Upload coverage results to Coveralls / coveralls	49s
	2h 11m 14s

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