Updated mediawiki/extensions
Project: mediawiki/extensions/CentralNotice  81c1e7e3817f40956b5a03645c50a4f5951347a7

Add getKeys optimization to BannerMessageGroup

This avoids the wfMessage calls to load message content.

Bug: 53769
Bug: 53792
Change-Id: I14cdda777e3a70cda78d2f52d59b6ad569619571