refactor: fix used void return type (#9341) #12704

Job	Run time
Setup PHP Version for Code Coverage	1s
Others (8.3) / Sanity Tests	2m 38s
Others (8.1) / Sanity Tests	2m 15s
Others (8.2) / Sanity Tests	3m 31s
CacheLive (8.1) / Cache Live Tests	2m 7s
CacheLive (8.2) / Cache Live Tests	2m 22s
CacheLive (8.3) / Cache Live Tests	2m 4s
DatabaseLive (8.1, MySQLi, 8.0) / tests	4m 9s
SeparateProcess (8.1) / tests	3m 29s
DatabaseLive (8.1, MySQLi, 5.7) / tests	2m 31s
SeparateProcess (8.2) / tests	4m 11s
SeparateProcess (8.3) / tests	3m 31s
DatabaseLive (8.1, OCI8, 8.0) / tests	5m 59s
DatabaseLive (8.1, Postgre, 8.0) / tests	2m 24s
DatabaseLive (8.1, SQLite3, 8.0) / tests	2m 24s
DatabaseLive (8.1, SQLSRV, 8.0) / tests	4m 10s
DatabaseLive (8.2, MySQLi, 8.0) / tests	5m 20s
DatabaseLive (8.2, OCI8, 8.0) / tests	6m 59s
DatabaseLive (8.2, Postgre, 8.0) / tests	3m 1s
DatabaseLive (8.2, SQLite3, 8.0) / tests	3m 32s
DatabaseLive (8.2, SQLSRV, 8.0) / tests	5m 27s
DatabaseLive (8.3, MySQLi, 8.0) / tests	4m 41s
DatabaseLive (8.3, OCI8, 8.0) / tests	5m 46s
DatabaseLive (8.3, Postgre, 8.0) / tests	2m 44s
DatabaseLive (8.3, SQLite3, 8.0) / tests	2m 18s
DatabaseLive (8.3, SQLSRV, 8.0) / tests	5m 17s
Upload coverage results to Coveralls / coveralls	39s
	1h 33m 30s

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