net-mgmt/netbox: Update to 3.7.8

Changelog:

Enhancements:

• Enable adding new cables directly from navigation menu

Bug Fixes:

• Account for virtual chassis membership when assigning related interfaces via bulk edit
• Fix pagination through search results within dropdown fields
• Fix SVG rendering of cable traces to circuit terminations
• Fix cable trace SVG generation for cables with multiple terminations at both ends
• Replace CSV export formatting for several many-to-many fields
• Fix secret toggle button for IKE policies

https://github.com/netbox-community/netbox/releases/tag/v3.7.8

MFH: 2024Q2