Remove tab content pane padding

The tabs component, now styled in gitlab-ui[1], adds padding to the
content pane of the tabs. The design specs[2] for the Dependency List do
not have this padding/gap.

[1]: https://gitlab.com/gitlab-org/gitlab-ui/merge_requests/623
[2]: https://gitlab.com/gitlab-org/gitlab-ee/issues/10077

ee/app/assets/javascripts/dependencies/components/app.vue

@@ -115,7 +115,7 @@ export default {
     <template v-if="dependencyListVulnerabilities">
       <h3 class="h5">{{ __('Dependencies') }}</h3>
 
-      <gl-tabs v-model="currentListIndex">
+      <gl-tabs v-model="currentListIndex" content-class="pt-0">
         <gl-tab
           v-for="listType in listTypes"
           :key="listType.namespace"