v0.12.1

What's Changed

• 🐛 Change the type of markers.Collector.byPackage's key from string to *loader.Package by @k8s-infra-cherrypick-robot in #834
• ✨ Return an error for duplicate generators by @k8s-infra-cherrypick-robot in #835

Full Changelog: v0.12.0...v0.12.1