ISIS high metric change

According to Neteng the correct "High metric" should be 99k, not 90k.

@karel.vanklink does it make any sense to make 99000 a variable?

gso/utils/workflow_steps.py

@@ -63,10 +63,10 @@ def deploy_base_config_real(
 
 
 @step("[COMMIT] Set ISIS metric to 90.000")
-def set_isis_to_90000(subscription: Iptrunk, process_id: UUIDstr, callback_route: str, tt_number: str) -> State:
-    """Workflow step for setting the :term:`ISIS` metric to 90k as an arbitrarily high value to drain a link."""
+def set_isis_to_99000(subscription: Iptrunk, process_id: UUIDstr, callback_route: str, tt_number: str) -> State:
+    """Workflow step for setting the :term:`ISIS` metric to 99k as an arbitrarily high value to drain a link."""
     old_isis_metric = subscription.iptrunk.iptrunk_isis_metric
-    subscription.iptrunk.iptrunk_isis_metric = 90000
+    subscription.iptrunk.iptrunk_isis_metric = 99000
     extra_vars = {
         "wfo_trunk_json": json.loads(json_dumps(subscription)),
         "dry_run": False,