Updated mediawiki/extensions
Project: mediawiki/extensions/CirrusSearch  4ec96b4eb8a6c45ae79198c5788f4aa072faa406

Implement workItemCount

workItemCount allows us to $wgJobBackoffThrottling with some degree of
accuracy.

Change-Id: Ie4d9e654c494da78ca2939da2946719a85bc51f2