v3.21.0

NEW MODULES

• azure_rm_cognitiveservicesaccount:(#2287)
• azure_rm_cognitiveservicesaccount_info:(#2287)

FEATURE ENHANCEMENT

• extensions/audit/event_query.yml: Add Machine Learning services to indirect node counting (#2293)
• roles/azure_arc: Log success and failure signals for azure_arc role (#2283)
• plugins/modules/azure_rm_virtualmachine.py: Add specialized_image option (#2295)
• plugins/modules/azure_rm_virtualmachinescaleset.py: Add specialized_image option (#2295)
• plugins/modules/azure_rm_storageaccount*: Add smb_oauth_enabled support (#2298)
• plugins/modules/azure_rm_storageaccount.py: Deprecate legacy kind values (Note that the default is now StorageV2 instead of Storage)(#2304)

BUG FIXING

• plugins/modules/azure_rm_keyvault*: Migrate modules to azure-mgmt-keyvault==14.0.1 hybrid models and fixed info module silently drops key vaults (#2294)
• plugins/inventory/azure_rm.py: Fix documentation reference to public_ipv4_address (#2301)
• plugins/modules/azure_rm_privateendpoint_info.py: Fix AttributeError on manual connections (#2303)