Updated mediawiki/extensions Project: mediawiki/extensions/BookManagerv2 f45bfa0a50dcdbab9dca92d68a5abc512e752b49

Use 'json' module instead of deprecated 'jquery.json'

See

• https://lists.wikimedia.org/pipermail/wikitech-l/2014-September/078725.html
• https://gerrit.wikimedia.org/r/#/c/140560/

Bug: T93725
Change-Id: Iaeb968f9bd1bcd15275ca025205fb359b57aef9f