Updated mediawiki/extensions
Project: mediawiki/extensions/VisualEditor  7ab2b003a042856be9a8270700db358e07fe5974

Simplify UI text from Caption content to Caption

Suggested in
https://translatewiki.net/wiki/Thread:Support/About_MediaWiki:Visualeditor-dialog-media-content-section/he

Change-Id: I2cc48aa710bfc1ce302ef02a12aa2679a3cf0dc3