Updated mediawiki/extensions
Project: mediawiki/extensions/CirrusSearch  d2f0767b8d54fae45291590dec819051fbb7b43f

Fix error in other index updates

Other index updates used to try to send an update to Elasticsearch even
if there was no update to send.  This caused nasty bulk warnings.

Also, more docs.

Bug:  58544
Change-Id: Ibd22d76178db555b4d4f6e523ffa47b994d97ae3