Update operational tab url parameter

- make it shorter

ee/app/assets/javascripts/security_dashboard/components/shared/vulnerability_report_layout.vue

@@ -5,6 +5,7 @@ import { s__ } from '~/locale';
 import { DASHBOARD_TYPES } from 'ee/security_dashboard/store/constants';
 
 export default {
+  operationalTabParameter: 'operational',
   i18n: {
     developmentTab: s__('SecurityReports|Development vulnerabilities'),
     operationalTab: s__('SecurityReports|Operational vulnerabilities'),
@@ -71,7 +72,7 @@ export default {
       </gl-tab>
       <gl-tab
         :title="$options.i18n.operationalTab"
-        :query-param-value="$options.i18n.operationalTab.toLowerCase()"
+        :query-param-value="$options.operationalTabParameter"
       >
         <div></div>
       </gl-tab>