Updated mediawiki/extensions
Project: mediawiki/extensions/Math  7bd39100b2be318c38847f275bcd6b7041a19147

Update the DB output hash if outdated according to texvc

* Otherwise all future <math> hits will check the wrong file
  (which may not exist), recreate the png, and store over the
  proper file (even if it was already there). Update the DB to
  point to the right hash instead.

bug: 60997
Change-Id: Ib833ad32ff1e4506e9b8ab2cc1b72516cb072cd5