UpgradeAvailability type
Defines values for UpgradeAvailability.
KnownUpgradeAvailability can be used interchangeably with UpgradeAvailability,
this enum contains the known values that the service supports.
Known values supported by the service
None: No upgrade is currently available for this App Service Environment
Ready: An upgrade is ready to be manually initiated on this App Service Environment
type UpgradeAvailability = string