AddonPhase type 
Defines values for AddonPhase. 
KnownAddonPhase can be used interchangeably with AddonPhase,
this enum contains the known values that the service supports.
Known values supported by the service
pending 
provisioning 
provisioning {HelmChartInstalled} 
provisioning {MSICertificateDownloaded} 
provisioned 
deleting 
failed 
upgrading
type AddonPhase = string