Merge branch 'fix-dropdown-z-index' into 'master'

Fix dropdown z-index issue

See merge request gitlab-org/gitlab!56125

ee/app/assets/javascripts/security_dashboard/components/security_dashboard_layout.vue

@@ -23,7 +23,7 @@ export default {
     <section
       v-if="hasStickySlot"
       data-testid="sticky-section"
-      class="position-sticky gl-z-index-2 security-dashboard-filters"
+      class="position-sticky gl-z-index-3 security-dashboard-filters"
     >
       <slot name="sticky"></slot>
     </section>

ee/changelogs/unreleased/fix-dropdown-z-index.yml

+---
+title: Fix dropdown z-index issue
+merge_request: 56125
+author:
+type: fixed