flux-app release v0.20.0

Added

• Add capability to attach custom labels and annotations to kustomize-contoller pod template

Changed

• Bump upstream flux toolkit version to from v0.36.0 to v0.37.0.
  • The interpretation of the gitImplementation field of GitRepository by source-controller and image-automation-controller has been deprecated, and will effectively always use go-git.
  • ImageUpdateAutomation objects with a .spec.PushBranch specified will have the push branch refreshed automatically via force push.
  • ImagePolicy CRD dropped version v1alpha1
  • ImageRepository CRD dropped version v1alpha1
  • ImageUpdateAutomation CRD dropped version v1alpha1
• Increased memory limits for CRD install job as it was observed to frequently get OOM killed