Updated mediawiki/extensions
Project: mediawiki/extensions/TimedMediaHandler  6eda9521c1f2239d169be4c777f7a32eb5f0b6b6

(bug 41737) create resized thumbnails from thumb

instead of creating all thumbs from the video file, only create one
thumb per position and resize that to the requested size.

Bug: 41737
Change-Id: I1455d060117f05000f3c3b6dd37b34acbd6b10d9