Updated mediawiki/extensions
Project: mediawiki/extensions/TimedMediaHandler  9bb8a5d403405c23a107ea4bd304762e383ce9f4
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Typos: fix browser support punctuation

<https://translatewiki.net/wiki/Thread:Support/About_MediaWiki:Mwe-embedplayer-download-warn/en>

Change-Id: Iaf90f671732ba11de04df897118193f2624fc135