Fix minor issue in LCMHelmConn

scaling_in argument has been added to the delete_execution_environment
for the juju connector. This patch adds kwargs to the helm connector.
The scaling_in is not currently used by helm.

Change-Id: I4723d6f194cdd64a4b3bbef348457fb6c2a1e47c
Signed-off-by: David Garcia <david.garcia@canonical.com>
diff --git a/osm_lcm/lcm_helm_conn.py b/osm_lcm/lcm_helm_conn.py
index 978b061..34e4915 100644
--- a/osm_lcm/lcm_helm_conn.py
+++ b/osm_lcm/lcm_helm_conn.py
@@ -434,7 +434,13 @@
         # nothing to be done
         pass
 
-    async def delete_execution_environment(self, ee_id: str, db_dict: dict = None, total_timeout: float = None):
+    async def delete_execution_environment(
+        self,
+        ee_id: str,
+        db_dict: dict = None,
+        total_timeout: float = None,
+        **kwargs,
+    ):
         """
         Delete an execution environment
         :param str ee_id: id of the execution environment to delete, included namespace.helm_id