azurerm_app_service: support for storage mounts

[joakimhellum]

Fixes #2247

[katbyte]

Thank you for the PR @joakimhellum-in, LGTM 👍

[bentterp]

The documentation for this new feature has the access key as required parameter.
I think it would be super great if we could use user-assigned identities (#3637) as an alternative.

That would reduce the amount of key rotations needed - always makes people nervous when we have to do that.

[ghost]

This has been released in version 1.32.0 of the provider. Please see the Terraform documentation on provider versioning or reach out if you need any assistance upgrading. As an example:

provider "azurerm" {
    version = "~> 1.32.0"
}
# ... other configuration ...

[ghost]

I'm going to lock this issue because it has been closed for 30 days ⏳. This helps our maintainers find and focus on the active issues.

If you feel this issue should be reopened, we encourage creating a new issue linking back to this one for added context. If you feel I made an error 🤖 🙉 , please reach out to my human friends 👉 hashibot-feedback@hashicorp.com. Thanks!