code: func getReleaseNotesURL(imageName string) string {
  	versionTag := ""
  	distributionRef, err := reference.ParseNormalizedNamed(imageName)
  	if err == nil {
  		taggedRef, ok := distributionRef.(reference.NamedTagged)
  		if ok {
  			versionTag = taggedRef.Tag()
  		}
  	}
  	return fmt.Sprintf("%s/%s", clitypes.ReleaseNotePrefix, versionTag)
  }
docs: // getReleaseNotesURL returns a release notes url
  // If the image name does not contain a version tag, the base release notes URL is returned