Merge branch '9101-usage-ping-for-gsd-filters' into 'master'

Adds snowplough tracking to the GSD filters

Closes #9101

See merge request gitlab-org/gitlab-ee!9119

ee/app/assets/javascripts/security_dashboard/store/modules/filters/actions.js

+import Stats from 'ee/stats';
 import * as types from './mutation_types';
 
 export const setFilter = ({ commit }, payload) => {
   commit(types.SET_FILTER, payload);
+
+  Stats.trackEvent(document.body.dataset.page, 'set_filter', {
+    label: payload.filterId,
+    value: payload.optionId,
+  });
 };
 
 export const setFilterOptions = ({ commit }, payload) => {

ee/changelogs/unreleased/9101-usage-ping-for-gsd-filters.yml

+---
+title: Adds snowplough tracking for the group security dashboard filters
+merge_request: 9119
+author:
+type: other