Support for Azure Notification Hub FCM credentials

[tcarsuzanlandytech]

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Description

We need a new FCM credentials block in Azure Notification module.

Migration from GCM to FCM is required before July 2024. https://learn.microsoft.com/en-us/azure/notification-hubs/notification-hubs-gcm-to-fcm https://learn.microsoft.com/en-us/azure/notification-hubs/firebase-migration-rest#create-google-service-account-json-file

New or Affected Resource(s)/Data Source(s)

azurerm_notification_hub

Potential Terraform Configuration

resource "azurerm_notification_hub" "example" {
  name                = "mynotificationhub"
  namespace_name      = azurerm_notification_hub_namespace.example.name
  resource_group_name = azurerm_resource_group.example.name
  location            = azurerm_resource_group.example.location
  fcm_credential {
    private_key       = "xxx"
    client_email      = "xxx"
    project_id        = "xxx"
  } 
}

References

https://github.com/MicrosoftDocs/azure-docs/issues/93522