net-mgmt/netbox: Update to 4.1.6

It contains many bugfixes/enhancements and the following new features:

• Circuit Groups
• VLAN Group ID Ranges
• Nested Device Modules
• Rack Types
• Plugins Catalog Integration
• User Notifications

https://netbox.readthedocs.io/en/stable/release-notes/version-4.1/

MFH: No (feature release)