managed_disk_resource: Add validation for disk_iops_read_write, disk_mbps_read_write

[myc2h6o]

When these two properties are set to zero on creation, they are not included in the request, and the values will be computed by server, a non-zero value will be assigned and cause a drift. Adding the validation to ensure a value is greater than zero so that this drift can be avoided

resource "azurerm_managed_disk" "test" {
  name                 = "test"
  location             = "westus"
  resource_group_name  = "test"
  create_option        = "Empty"
  storage_account_type = "UltraSSD_LRS"
  disk_size_gb = 512
  disk_iops_read_write = 0
  disk_mbps_read_only = 0
}

[katbyte]

Thanks @myc2h6o - LGTM 👍

[github-actions]

This functionality has been released in v2.84.0 of the Terraform Provider. Please see the Terraform documentation on provider versioning or reach out if you need any assistance upgrading.

For further feature requests or bug reports with this functionality, please create a new GitHub issue following the template. Thank you!

[github-actions]

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