www/kanboard: Update 1.2.44 => 1.2.46 (fix security issue)

Password Reset Poisoning via Host Header Injection
https://github.com/kanboard/kanboard/security/advisories/GHSA-2ch5-gqjm-8p92

Changelogs:
https://github.com/kanboard/kanboard/releases/tag/v1.2.45
https://github.com/kanboard/kanboard/releases/tag/v1.2.46

PR: 287775
Security: GHSA-2ch5-gqjm-8p92
MFH: 2025Q2
(cherry picked from commit 977cf2d2befd108384e1fcde04fa8317d657ff0a)