Expose the administrator update-source API through ingress

Author: Flegma

base/api/ingress.yaml

@@ -89,6 +89,13 @@ spec:
                   number: 5585
             path: /system/healthz
             pathType: Exact
+          - backend:
+              service:
+                name: api
+                port:
+                  number: 5585
+            path: /system/update-source
+            pathType: Exact
           - backend:
               service:
                 name: api