Updated mediawiki/extensions
Project: mediawiki/extensions/Elastica  7cc3347cbdde0b00edc7c1aab82842c0e0a5b248

Updating Elastica to latest master

Number of fixes, mainly updating to pull in the JSON compat stuff

Bug: 65110
Change-Id: I96881e3def5393aa93dc26384c7c88bc7da03262