* Pin tool versions with hack/go.mod
This change centralizes the tracking of versions for tools used for
development and testing. This way, the tools and all their
dependencies have their checksums stored in hack/go.sum, which
improves supply chain security.
* Workspace Sync & Tidy
- go mod tidy (all modules)
- go work sync
- Fixed plugin generation for Go 1.21
- Updated linting for Go 1.21
- Fixed minecraft example for Helm v3 pull download path
- Update dev docs to mention Go 1.21
- Regenerate plugins with Go 1.21