[SEBA-496]

Update pip packages used in XOS containers, flatten containers
Fixed invalid YAML generated by xosgenx modeldefs.xtarget

Change-Id: Ic051170f3f9ef5a5d0dbba61aa6843458a435d49
diff --git a/lib/xos-genx/xosgenx/jinja2_extensions/gui.py b/lib/xos-genx/xosgenx/jinja2_extensions/gui.py
index 07dbc35..a48d95a 100644
--- a/lib/xos-genx/xosgenx/jinja2_extensions/gui.py
+++ b/lib/xos-genx/xosgenx/jinja2_extensions/gui.py
@@ -146,7 +146,7 @@
             elif l["link_type"] == "onetomany":
                 on_field = l["dst_port"]
             outlist.append(
-                "- {model: %s, type: %s, on_field: %s}\n"
+                "{model: %s, type: %s, on_field: %s}"
                 % (l["peer"]["name"], l["link_type"], on_field)
             )
         seen.append(l["peer"])