Move k8s keystone webhook check to voting after manifest changes

This changes the keystone webhook check back to voting once the
helm-toolkit manifest changes are merged in, and depends on the
openstack-helm patchset that introduces the changes the manifest
change required for this check to pass

Depends-On: https://review.openstack.org/576001

Change-Id: I337fe6d57a978e5b92d5bb5ae844e16bb8082609
Signed-off-by: Steve Wilkerson <wilkers.steve@gmail.com>

.zuul.yaml

@@ -32,7 +32,6 @@
               - ^doc/.*$
               - ^releasenotes/.*$
         - openstack-helm-infra-kubernetes-keystone-auth:
-            voting: false
             irrelevant-files:
               - ^.*\.rst$
               - ^doc/.*$
@@ -55,16 +54,11 @@
               - ^.*\.rst$
               - ^doc/.*$
               - ^releasenotes/.*$
-        #NOTE(srwilkers): Changing this job to nonvoting until the htk changes
-        # in this patchset are merged, as these changes will cause the
-        # keystone-auth check to fail. This fails due to the openstack-helm
-        # charts that are checked out as part of the job not having the updates
-        # to the jobs that consume the manifests changed.
-        # - openstack-helm-infra-kubernetes-keystone-auth:
-        #     irrelevant-files:
-        #       - ^.*\.rst$
-        #       - ^doc/.*$
-        #       - ^releasenotes/.*$
+        - openstack-helm-infra-kubernetes-keystone-auth:
+            irrelevant-files:
+              - ^.*\.rst$
+              - ^doc/.*$
+              - ^releasenotes/.*$
     experimental:
       jobs:
         #NOTE(srwilkers): Make fedora job experimental until issues resolved