Updated mediawiki/extensions
Project: mediawiki/extensions/Configure  c380ee38750fe5168558a7e3b7de870879c7abe0

Change EXIF to Exif

Per https://en.wikipedia.org/wiki/Exchangeable_image_file_format. Spotted
by Shirayuki and documented on
https://translatewiki.net/wiki/Thread:Support/About_MediaWiki:Sesp-property-exif-data/en

Change-Id: Ia2213086b2c01d46ec35e0f14552e6abf3837c99