Feature/nat 230 add isis and ping checks to create iptrunk workflow

Include connectivity and ISIS check. Could not really test the successful deployment due to some problems with underlying infra (LACP not coming up in Containerlab). Need to be re-tested in TEST env.

gso/services/provisioning_proxy.py

@@ -124,9 +124,8 @@ def provision_ip_trunk(
 
     _send_request("ip_trunk", parameters, process_id, CUDOperation.POST)
 
-def check_ip_trunk(
-    subscription: IptrunkProvisioning, process_id: UUIDstr, check_name: str
-) -> None:
+
+def check_ip_trunk(subscription: IptrunkProvisioning, process_id: UUIDstr, check_name: str) -> None:
     """Provision an IP trunk service using {term}`LSO`.
 
     :param subscription: The subscription object that's to be provisioned.
@@ -143,6 +142,7 @@ def check_ip_trunk(
 
     _send_request("ip_trunk/perform_check", parameters, process_id, CUDOperation.POST)
 
+
 def deprovision_ip_trunk(subscription: Iptrunk, process_id: UUIDstr, dry_run: bool = True) -> None:
     """Deprovision an IP trunk service using {term}`LSO`.