Hi team,

First off, thanks so much for this amazing tool! It's been incredibly useful.

I’m currently trying to run an export, but I’ve encountered an issue when using azurerm version 4.16. The export fails due to a deprecated property that was removed in azurerm 4.0.

Command:

aztfexport rg --append --provider-version 4.16.0 --backend-type=azurerm --provider-name azurerm CI-USSC01-PAAS-VNET-10.68.152.0_21

Error:

10 errors occurred: 
  * task handler error: failed to merge state file: 1 error occurred:
  * showing state file /var/folders/yy/ylsnbtxn23qbz3f9wffb_2n80000gn/T/1682278556/terraform.tfstate: exit status 1
  Failed to marshal state to json: unsupported attribute "disable_bgp_route_propagation"

According to the [azurerm 4.0 upgrade guide](https://registry.terraform.io/providers/hashicorp/azurerm/latest/docs/guides/4.0-upgrade-guide#azurerm_route_table), the disable_bgp_route_propagation property has been deprecated and removed in favor of the bgp_route_propagation_enabled property.

Would it be possible to update the tool to support azurerm 4.0 and account for this change?

Thanks again !