refactor: fix phpstan errors in `ResponseTrait` (#9591) #13343

Job	Run time
Setup PHP Version for Code Coverage	2s
Others (8.4) / Sanity Tests	2m 37s
Others (8.1) / Sanity Tests	2m 37s
Others (8.2) / Sanity Tests	3m 45s
Others (8.3) / Sanity Tests	2m 28s
CacheLive (8.2) / Cache Live Tests	2m 28s
CacheLive (8.1) / Cache Live Tests	2m 10s
CacheLive (8.4) / Cache Live Tests	2m 17s
CacheLive (8.3) / Cache Live Tests	2m 7s
SeparateProcess (8.2) / tests	3m 36s
SeparateProcess (8.1) / tests	3m 55s
SeparateProcess (8.3) / tests	3m 31s
SeparateProcess (8.4) / tests	3m 2s
DatabaseLive (8.1, OCI8, 8.0) / tests	6m 52s
DatabaseLive (8.1, Postgre, 8.0) / tests	2m 52s
DatabaseLive (8.2, MySQLi, 8.0) / tests	5m 45s
DatabaseLive (8.2, Postgre, 8.0) / tests	3m 39s
DatabaseLive (8.2, SQLite3, 8.0) / tests	3m 46s
DatabaseLive (8.4, SQLSRV, 8.0) / tests	5m 46s
DatabaseLive (8.4, SQLite3, 8.0) / tests	2m 53s
DatabaseLive (8.3, MySQLi, 8.0) / tests	5m 38s
DatabaseLive (8.2, OCI8, 8.0) / tests	7m 9s
DatabaseLive (8.3, Postgre, 8.0) / tests	3m 8s
DatabaseLive (8.3, SQLite3, 8.0) / tests	2m 39s
DatabaseLive (8.4, OCI8, 8.0) / tests	6m 8s
DatabaseLive (8.1, SQLSRV, 8.0) / tests	5m 24s
DatabaseLive (8.4, Postgre, 8.0) / tests	2m 31s
DatabaseLive (8.1, MySQLi, 5.7) / tests	3m 31s
DatabaseLive (8.1, SQLite3, 8.0) / tests	3m 2s
DatabaseLive (8.4, MySQLi, 8.0) / tests	4m 59s
DatabaseLive (8.3, SQLSRV, 8.0) / tests	5m 12s
DatabaseLive (8.2, SQLSRV, 8.0) / tests	5m 23s
DatabaseLive (8.1, MySQLi, 8.0) / tests	4m 3s
DatabaseLive (8.3, OCI8, 8.0) / tests	6m 50s
Upload coverage results to Coveralls / coveralls	50s
	2h 12m 35s

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