v2.4.21 Bugfix Release

This release is a maintenance update addressing various issues identified since the 2.4.20 release. It does not introduce any new major features, but focuses solely on improving stability and reliability.

What's Changed

• feat(wip): custom domain by @majkshkurti in #3699
• fix: travel cost matrix interface and performance, catchment area distance limits by @nihar1024 in #3697
• refactor: multiple travel cost matrix improvements by @nihar1024 in #3700
• Extending dashboard builder and styling by @EPajares in #3701
• fix: caddy issue by @majkshkurti in #3702
• fix: custom domain middleware bug by @majkshkurti in #3704

Full Changelog: v2.4.20...v2.4.21