azurerm_firewall_policy_rule_collection_group / application_rule_collection lets you create an application rule with FQDNs as tags

One issue on the azurerm provider could get interesting for tflint:

azurerm_firewall_policy_rule_collection_group / application_rule_collection lets you create an application rule with FQDNs as tags. - https://github.com/hashicorp/terraform-provider-azurerm/issues/29512

Hopefully i will find some time the next days to work on it :)