docs: add changelog and upgrade for v4.7.4 #15172

Job	Run time
Setup PHP Version for Code Coverage	4s
Others (8.2) / Sanity Tests	2m 58s
Others (8.5) / Sanity Tests	1m 33s
Others (8.4) / Sanity Tests	1m 25s
Others (8.3) / Sanity Tests	1m 19s
SeparateProcess (8.3) / tests	2m 2s
SeparateProcess (8.2) / tests	2m 23s
SeparateProcess (8.4) / tests	2m 17s
SeparateProcess (8.5) / tests	2m 15s
CacheLive (8.3) / Cache Live Tests	1m 2s
CacheLive (8.4) / Cache Live Tests	1m 13s
CacheLive (8.2) / Cache Live Tests	1m 12s
DatabaseLive (8.2, SQLSRV, 8.0) / tests	6m 9s
DatabaseLive (8.2, MySQLi, 5.7) / tests	2m 48s
DatabaseLive (8.4, SQLSRV, 8.0) / tests	4m 44s
DatabaseLive (8.4, Postgre, 8.0) / tests	1m 45s
CacheLive (8.5) / Cache Live Tests	57s
DatabaseLive (8.4, SQLite3, 8.0) / tests	58s
DatabaseLive (8.3, Postgre, 8.0) / tests	1m 44s
DatabaseLive (8.2, SQLite3, 8.0) / tests	2m 3s
DatabaseLive (8.4, MySQLi, 8.0) / tests	3m 42s
DatabaseLive (8.3, MySQLi, 8.0) / tests	3m 41s
DatabaseLive (8.3, SQLSRV, 8.0) / tests	4m 44s
DatabaseLive (8.3, OCI8, 8.0) / tests	7m 32s
DatabaseLive (8.5, MySQLi, 8.0) / tests	3m 30s
DatabaseLive (8.5, OCI8, 8.0) / tests	7m 26s
DatabaseLive (8.4, OCI8, 8.0) / tests	8m 25s
DatabaseLive (8.2, MySQLi, 8.0) / tests	4m 35s
DatabaseLive (8.2, Postgre, 8.0) / tests	3m 5s
DatabaseLive (8.5, SQLite3, 8.0) / tests	1m 8s
DatabaseLive (8.5, Postgre, 8.0) / tests	1m 35s
DatabaseLive (8.3, SQLite3, 8.0) / tests	1m 12s
DatabaseLive (8.5, SQLSRV, 8.0) / tests	5m 32s
DatabaseLive (8.2, OCI8, 8.0) / tests	8m 22s
Upload coverage results to Coveralls / coveralls	38s
	1h 45m 58s

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