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/templates/hooks/pre-commit

@@ -1,5 +1,6 @@
 #!/bin/sh
 # bd-shim v1
+# bd-hooks-version: 0.30.7
 #
 # bd (beads) pre-commit hook - thin shim
 #