Updated mediawiki/extensions
Project: mediawiki/extensions/FlaggedRevs  1215165ce0256ea6b4cd441de61b80ef037bea15

ValidationStatistics: Showing unreviewed pages depends on config

Special:UnreviewedPages does not exists on testwiki due to
wgFlaggedRevsProtection = true

Follow-Up: I63c2919587f858f91a2e9fe868b3cfb87b0650e0
Change-Id: I6c779b9ab425deaea9cab8ea4813563c095db889