feat: added parameter to local ssh config update

- username

update-ssh-config-file.yml

@@ -3,6 +3,7 @@
 # Parameters:
 #   playbook inventory
 #     stage := the type of the stage (e.g. dev, int, qa, prod)
+#     username := the default username to use for the ssh connection
 
 #############################################################
 #   Updating ssh config for servers with given stage
@@ -44,4 +45,5 @@
           {% for host in server_group_infos_all %}
           Host {{ host.name }}
             HostName {{ host.ip }}
+            User {{ username }}
           {% endfor %}