Updated mediawiki/extensions
Project: mediawiki/extensions/CentralNotice  7ce89e7a9d865f8dec3d95ca33fa6d5ca6efe6f7

Fix typo: Full stop should be outside the paranthesis.

Spotted by Lokal Profil
https://translatewiki.net/wiki/Thread:Support/About_MediaWiki:Centralnotice-banner-class-desc/en

Change-Id: Iba5697c5a53b80009b4ffdda61eb92fea55955e9