cargo-target-gc 0.1.3

Cargo target-artifact garbage collector: analyze and reclaim target/ build artifacts
Documentation
## Summary

What changed?

## Verification

- [ ] `make fmt-check`
- [ ] `make lint`
- [ ] `make test`
- [ ] Manual CLI check, if user-facing output changed
- [ ] Updated `docs/i18n/` translations, or noted why not applicable

## Safety Impact

Does this change what cargo target-gc scans, categorizes, or deletes?

## Notes

Link related issues and add terminal output for CLI changes.