test: fix `CreateNewChangelogTest` removing uncommitted changes #14471

Job	Run time
Setup PHP Version for Code Coverage	4s
Others (8.3) / Sanity Tests	2m 54s
Others (8.5) / Sanity Tests	2m 37s
Others (8.2) / Sanity Tests	4m 6s
Others (8.4) / Sanity Tests	2m 39s
CacheLive (8.5) / Cache Live Tests	2m 8s
CacheLive (8.3) / Cache Live Tests	2m 16s
CacheLive (8.2) / Cache Live Tests	2m 20s
CacheLive (8.4) / Cache Live Tests	2m 15s
SeparateProcess (8.3) / tests	3m 28s
SeparateProcess (8.5) / tests	3m 31s
DatabaseLive (8.5, MySQLi, 8.0) / tests	4m 44s
DatabaseLive (8.3, SQLSRV, 8.0) / tests	6m 29s
DatabaseLive (8.2, SQLite3, 8.0) / tests	2m 57s
DatabaseLive (8.5, OCI8, 8.0) / tests	6m 35s
DatabaseLive (8.5, SQLite3, 8.0) / tests	2m 20s
SeparateProcess (8.4) / tests	3m 19s
SeparateProcess (8.2) / tests	3m 8s
DatabaseLive (8.5, SQLSRV, 8.0) / tests	6m 53s
DatabaseLive (8.2, MySQLi, 5.7) / tests	4m 14s
DatabaseLive (8.2, MySQLi, 8.0) / tests	4m 51s
DatabaseLive (8.4, OCI8, 8.0) / tests	6m 55s
DatabaseLive (8.3, SQLite3, 8.0) / tests	2m 18s
DatabaseLive (8.2, OCI8, 8.0) / tests	7m 50s
DatabaseLive (8.4, Postgre, 8.0) / tests	2m 48s
DatabaseLive (8.4, SQLite3, 8.0) / tests	2m 19s
DatabaseLive (8.5, Postgre, 8.0) / tests	2m 37s
DatabaseLive (8.3, MySQLi, 8.0) / tests	3m 46s
DatabaseLive (8.3, OCI8, 8.0) / tests	7m 10s
DatabaseLive (8.2, SQLSRV, 8.0) / tests	6m 33s
DatabaseLive (8.3, Postgre, 8.0) / tests	3m 0s
DatabaseLive (8.2, Postgre, 8.0) / tests	3m 25s
DatabaseLive (8.4, MySQLi, 8.0) / tests	6m 50s
DatabaseLive (8.4, SQLSRV, 8.0) / tests	5m 56s
Upload coverage results to Coveralls / coveralls	47s
	2h 16m 2s

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