Updated mediawiki/extensions
Project: mediawiki/extensions/BookManagerv2  7a8e055c46a43bd2dfc4790ef87d0a485f1c0318

Bug 51062: Update schema so additional properties aren't allowed.

The schema was allowing additional values to be added to the "sections"
array. I've added an "additionalProperties": false to it to prevent
this.

Bug: 51062
Change-Id: Ia65d4d167b511f117aeb3328e75383c4c95797a6