net-mgmt/unifi6: Update to 6.0.41

Updates UniFi Network Controller from v 6.0.28 to v6.0.41.

Several enhancements and many bug fixes [1][2].

[1] https://community.ui.com/releases/UniFi-Network-Controller-6-0-36/9e57165b-3422-4fcf-ae02-13affcb388c8
[2] https://community.ui.com/releases/UniFi-Network-Controller-6-0-41/25633411-0273-4197-bf30-4aff30b3701e

PR: 251565
Submitted by: Juraj Lutter <juraj@lutter.sk> (maintainer)
Approved by: arrowd (mentor)
Differential Revision: https://reviews.freebsd.org/D27461