Updated mediawiki/extensions
Project: mediawiki/extensions/BookManagerv2  5c0daa313bd0c10b0b8b29d1b3c06675140e7d35

Bug 51258: Add title and alt attributes for icons.

Add descriptions of the metadata and table of contents icons
for accessibility and image fallback. Move next/prev icons to
CSS.

Bug: 51258
Change-Id: I3e819b345be02d90610f7c92a65a47317f0f41b4