Updated mediawiki/extensions
Project: mediawiki/extensions/Flow  698f3ceee6c25281bc632ff239251ca5a18c1884

Use CanonicalNamespaces hook for NS_TOPIC

It localizes unlike $wgExtraNamespaces.

Bug: 68419
Change-Id: Ibddbd14bb96794e32592baaa21928ce6524e1418