net-mgmt/netbox: Update to 4.2.9

Changelog:

Enhancements:
* Display circuit type with background color in circuits list
* Improve layout of component template edit forms
* Display plugin icons in plugins list
* Link to script results list from script history
* Add region, site group, site, location, and rack filters for modules
* Reference rack as related object in changelog records for
  rack reservations
* List virtual circuits under provider view
* Enable filtering devices and virtual machines by primary IP address
* Move release info from footer to the navigation menu

Bug Fixes:
* Account for parallel cables when calculating total path length
* Preserve "none" selection in filter form fields
* Fix styling for white, gray, and black custom link buttons
* Fix layout of object view content on mobile
* Fix support for module bay creation when bulk importing module types
* Fix validation for VLANs assigned to both a group and a site
* Ensure change logs populated for many-to-one changes
* Avoid AttributeError exception when bulk import objects which have a
  multi-object custom field with a default value
* Improve JSON serialization support for data returned by a custom script
* Ensure static assets for the debug toolbar are installed even if
  DEBUG is false
* Fix ordering of custom scripts to avoid NoReverseMatch exception
* Fix ValueError exception when attempting to nullify interface mode
  when a VLAN is assigned
* type field should not be required when bulk editing interfaces
* status field should not be required when bulk editing inventory items
* Fix form validation failure when attempting to create a service from a
  service template
* Include Q-in-Q VLAN (if any) in VM interface details
* Correct URL paths for bulk import views
* Ensure all redirect URLs are validated before use

https://github.com/netbox-community/netbox/releases/tag/v4.2.9

MFH:		2025Q2