[k8s] Remove extra slash in the API url

Author: romainr

tools/kubernetes/helm/hue/templates/ingress-https.yaml

@@ -27,7 +27,7 @@ spec:
       - backend:
           serviceName: hue-api
           servicePort: 8005
-        path: /api(.*)
+        path: /api/(.*)
       {{ end }}
       - backend:
           serviceName: hue-balancer