v4.0.0-alpha.2

Preliminary Changelog: main-v4/CHANGELOG.md#v400

• Note, that the lifecycle hooks are not yet accessible via the CLI

Changes since last Alpha

• k3d cluster create --registry-use REGNAME works now
  • e.g. k3d registry create myreg followed by k3d cluster create --registry-use k3d-myreg
  • for now only tested with registries running in docker