net-mgmt/netbox: Update to 4.3.5

Changelog:

Enhancements:

• Added jinja2.StrictUndefined option for config template rendering to catch undefined variables
• Cable imports now accept color names (e.g. "red", "blue") in addition to hex color codes
• Cable imports now support specifying site information for better organization
• Device names in rack elevation SVG exports are automatically truncated to prevent overflow beyond rack unit boundaries
• String field filters now support regex and iregex lookups for advanced pattern matching
• Internet-dependent links are no longer visible when running in air-gapped environments

Bug Fixes:

• REST API paginator now raises proper exceptions when attempting to paginate unordered querysets
• Rack elevation image/label dropdown functionality restored
• Added missing description field to tenant bulk edit form
• Prevent duplicate deletion records in changelog from cascading deletions

https://github.com/netbox-community/netbox/releases/tag/v4.3.5

MFH: 2025Q3
(cherry picked from commit 50ee818a710a8cf09fc3835e4921866076f4343d)