www/kanboard: Update from 1.0.41 to 1.0.44

[joneum]

Summary

• www/kanboard: Update from 1.0.41 to 1.0.44
• Changelog: https://github.com/kanboard/kanboard/blob/master/ChangeLog

PR: 219663
Submitted by: Bart Wrobel (maintainer)
Approved by: xxx (mentor)
#Differential Revision: https://reviews.freebsd.org/Dxxxxx

Test Plan

~/dev/ports/www/kanboard % portlint -AC
WARN: Makefile: for new port, make $FreeBSD$ tag in comment section empty, to make SVN happy.
0 fatal errors and 1 warning found.

poudriere testport:

10amd64
10i386
11amd64
11i386
12.0-CURRENT r318899 amd64
12.0-CURRENT r318400 i386

[tz]

Just as short notice:
The Changelog of 1.0.42 has a rubric "Breaking Changes". Its a wise idea to point breaking changes out, for example in UPDATING

[joneum]

add UPDATING

[miwi]

Please update the date for UPDATING.