apiextensions release v0.4.17

Added

• Add AzureOperatorVersion to pkg/label.
• Add MachinePool to pkg/label
• Add MachinePoolName to pkg/annotation
• Add ReleaseNotesURL to pkg/annotation.
• Add descriptions to App, AppCatalog and Chart CRDs.
• Add deprecation notice to ChartConfig CRD.

Changed

• Graduate AppCatalog CRDs to v1.
• Graduate App CRDs to v1.
• Graduate Chart CRDs to v1.