[Compute] az vm extension set: Add note to use Azure Key Vault VM extension instead (#19045)
[Compute] az vm extension set: Add note to use Azure Key Vault VM extension instead (#19045)

* Add note to az add secret

* Update _help.py

* Update _help.py

* Update src/azure-cli/azure/cli/command_modules/vm/_help.py

Co-authored-by: Xing Zhou <a0d0443f47029764bd38784f4db432887988ff16@microsoft.com>
yugangw-msft/azure-cli,yugangw-msft/azure-cli,yugangw-msft/azure-cli,yugangw-msft/azure-cli,yugangw-msft/azure-cli,yugangw-msft/azure-cli