Update the change_tag table in rebuildrecentchanges.php
Without updating the change_tag table, tags will not correctly appear on
Special:RecentChanges after running the script.
Bug: T229461
Change-Id: Iff12588df1ad8d658091832e38d870dd8b75a32f
(cherry picked from commit 4c69162b95afc3dd3d7a1fa51cee207e6fe0171b)