fix(workflows): create tenant in nautobot if it doesn't exist

When updating a tenant that doesn't exist in Nautobot, just create it
instead to get it in sync.

python/understack-workflows/understack_workflows/main/sync_keystone.py

@@ -77,10 +77,17 @@ def handle_project_create(conn: Connection, nautobot: Nautobot, project_id: uuid
 def handle_project_update(conn: Connection, nautobot: Nautobot, project_id: uuid.UUID):
     logger.info(f"got request to update tenant {project_id!s}")
     project = conn.identity.get_project(project_id.hex)  # type: ignore
-    ten = nautobot.session.tenancy.tenants.get(project_id)
-    ten.description = project.description  # type: ignore
-    ten.save()  # type: ignore
-    logger.info(f"tenant '{project_id!s}' last updated {ten.last_updated}")  # type: ignore
+    ten_api = nautobot.session.tenancy.tenants
+    ten = ten_api.get(project_id)
+    if ten is None:
+        ten = ten_api.create(
+            id=str(project_id), name=project.name, description=project.description
+        )
+        logger.info(f"tenant '{project_id!s}' created {ten.created}")  # type: ignore
+    else:
+        ten.description = project.description  # type: ignore
+        ten.save()  # type: ignore
+        logger.info(f"tenant '{project_id!s}' last updated {ten.last_updated}")  # type: ignore
 
 
 def handle_project_delete(conn: Connection, nautobot: Nautobot, project_id: uuid.UUID):