fix: misc improvements and dependency updates

- Update nix vendorHash after fatih/color removal
- Bump version to 0.30.7
- Add GroupID to remaining commands for proper cobra grouping
- Apply semantic color rendering to list and stale commands
- Update pre-commit hook template

cmd/bd/upgrade.go

@@ -10,8 +10,9 @@ import (
 )
 
 var upgradeCmd = &cobra.Command{
-	Use:   "upgrade",
-	Short: "Check and manage bd version upgrades",
+	Use:     "upgrade",
+	GroupID: "maint",
+	Short:   "Check and manage bd version upgrades",
 	Long: `Commands for checking bd version upgrades and reviewing changes.
 
 The upgrade command helps you stay aware of bd version changes: