chore: apply `withRootFiles()` on rector config (#10188) #15020

Job	Run time
Setup PHP Version for Code Coverage	3s
Others (8.2) / Sanity Tests	2m 57s
Others (8.5) / Sanity Tests	1m 48s
Others (8.3) / Sanity Tests	1m 54s
Others (8.4) / Sanity Tests	1m 43s
SeparateProcess (8.5) / tests	2m 11s
SeparateProcess (8.4) / tests	1m 59s
CacheLive (8.4) / Cache Live Tests	1m 9s
CacheLive (8.5) / Cache Live Tests	1m 8s
CacheLive (8.2) / Cache Live Tests	1m 15s
DatabaseLive (8.5, SQLite3, 8.0) / tests	1m 12s
DatabaseLive (8.2, Postgre, 8.0) / tests	2m 54s
DatabaseLive (8.2, MySQLi, 8.0) / tests	4m 6s
DatabaseLive (8.3, SQLite3, 8.0) / tests	1m 19s
DatabaseLive (8.4, SQLSRV, 8.0) / tests	5m 12s
DatabaseLive (8.3, SQLSRV, 8.0) / tests	5m 4s
DatabaseLive (8.5, MySQLi, 8.0) / tests	4m 14s
DatabaseLive (8.2, SQLSRV, 8.0) / tests	6m 44s
CacheLive (8.3) / Cache Live Tests	1m 13s
DatabaseLive (8.5, OCI8, 8.0) / tests	10m 51s
DatabaseLive (8.3, Postgre, 8.0) / tests	1m 45s
DatabaseLive (8.2, SQLite3, 8.0) / tests	1m 57s
DatabaseLive (8.3, OCI8, 8.0) / tests	6m 55s
SeparateProcess (8.2) / tests	2m 8s
DatabaseLive (8.5, SQLSRV, 8.0) / tests	5m 11s
DatabaseLive (8.3, MySQLi, 8.0) / tests	3m 55s
DatabaseLive (8.5, Postgre, 8.0) / tests	1m 42s
DatabaseLive (8.4, SQLite3, 8.0) / tests	1m 3s
DatabaseLive (8.4, OCI8, 8.0) / tests	7m 3s
DatabaseLive (8.4, MySQLi, 8.0) / tests	3m 16s
DatabaseLive (8.4, Postgre, 8.0) / tests	1m 39s
DatabaseLive (8.2, OCI8, 8.0) / tests	8m 50s
DatabaseLive (8.2, MySQLi, 5.7) / tests	3m 17s
SeparateProcess (8.3) / tests	1m 57s
Upload coverage results to Coveralls / coveralls	41s
	1h 50m 15s

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