refactor: fix `@readonly` property errors (#9529) #13158

Job	Run time
Setup PHP Version for Code Coverage	2s
Others (8.2) / Sanity Tests	3m 42s
Others (8.1) / Sanity Tests	2m 12s
Others (8.4) / Sanity Tests	2m 15s
Others (8.3) / Sanity Tests	2m 24s
SeparateProcess (8.3) / tests	3m 38s
SeparateProcess (8.4) / tests	3m 32s
SeparateProcess (8.1) / tests	3m 30s
CacheLive (8.2) / Cache Live Tests	2m 20s
DatabaseLive (8.2, SQLite3, 8.0) / tests	3m 12s
CacheLive (8.3) / Cache Live Tests	1m 57s
DatabaseLive (8.3, SQLite3, 8.0) / tests	3m 11s
DatabaseLive (8.3, MySQLi, 8.0) / tests	4m 56s
CacheLive (8.1) / Cache Live Tests	1m 54s
DatabaseLive (8.2, Postgre, 8.0) / tests	3m 24s
DatabaseLive (8.3, SQLSRV, 8.0) / tests	6m 2s
SeparateProcess (8.2) / tests	3m 33s
DatabaseLive (8.1, OCI8, 8.0) / tests	6m 12s
DatabaseLive (8.4, MySQLi, 8.0) / tests	5m 19s
DatabaseLive (8.1, MySQLi, 8.0) / tests	4m 16s
CacheLive (8.4) / Cache Live Tests	1m 55s
DatabaseLive (8.4, Postgre, 8.0) / tests	2m 47s
DatabaseLive (8.4, OCI8, 8.0) / tests	6m 32s
DatabaseLive (8.4, SQLite3, 8.0) / tests	2m 41s
DatabaseLive (8.3, Postgre, 8.0) / tests	2m 44s
DatabaseLive (8.1, MySQLi, 5.7) / tests	3m 52s
DatabaseLive (8.2, MySQLi, 8.0) / tests	5m 6s
DatabaseLive (8.2, OCI8, 8.0) / tests	7m 24s
DatabaseLive (8.1, SQLSRV, 8.0) / tests	5m 3s
DatabaseLive (8.4, SQLSRV, 8.0) / tests	4m 24s
DatabaseLive (8.2, SQLSRV, 8.0) / tests	6m 14s
DatabaseLive (8.1, SQLite3, 8.0) / tests	3m 14s
DatabaseLive (8.1, Postgre, 8.0) / tests	2m 31s
DatabaseLive (8.3, OCI8, 8.0) / tests	7m 13s
Upload coverage results to Coveralls / coveralls	39s
	2h 9m 50s

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