Updated mediawiki/extensions
Project: mediawiki/extensions/BetaFeatures  83575591ba610746bf5610e2dcee2ae7c381991a

Rephrase mw-ui-feature-requirements-skins

https://translatewiki.net/wiki/Thread:Support/About_MediaWiki:Mw-ui-feature-requirements-skins/pl

Change-Id: I1c55fa0ede63a389a9feef1169cd614917b550ea