Feature Request: Add MSI support to Function App

[ghost]

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Description

Since both VM and App Service get Managed Service Identity support, can we also add this to function app?

New or Affected Resource(s)

• azurerm_function_app

Potential Terraform Configuration

resource "azurerm_function_app" "my_function" {
  name                = "my-function"
  location            = "australiasoutheast"
  resource_group_name = "my-resource-group"

  app_service_plan_id       = "${azurerm_app_service_plan.function_consumption_plan.id}"
  storage_connection_string = "${azurerm_storage_account.function_storage_account.secondary_connection_string}"

  client_affinity_enabled = false
  https_only              = true
  version                 = "beta"

  site_config {
    use_32_bit_worker_process = false
  }
  
  identity {
    type = "systemAssigned"
 }
}

[github-actions]

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