Add support for `disable_bgp_route_propagation`

[migara]

Is your feature request related to a problem?

Currently, we don't support the disable_bgp_route_propagation argument in our vnet module.

https://registry.terraform.io/providers/hashicorp/azurerm/latest/docs/resources/route_table#disable_bgp_route_propagation

Describe the solution you'd like

Introduce a new attribute to the route_tables variable

Describe alternatives you've considered.

No response

Additional context

No response