The ingress resulted in a double slash, if there is are slashes at the end of the ingress_path variable (#1374)

Co-authored-by: lumarel <lumarel@users.noreply.github.com>

roles/installer/templates/networking/ingress.yaml.j2

@@ -34,7 +34,7 @@ spec:
                 port:
                   number: 80
 {% if ingress_controller|lower == "contour" %}
-          - path: '{{ ingress_path }}/websocket'
+          - path: '{{ ingress_path.rstrip("/") }}/websocket'
             pathType: '{{ ingress_path_type }}'
             backend:
               service: