[Security Solution] - skipping failing Cypress test (#173423)

## Summary

Skipping test as it was failing on main (see
#170520)

x-pack/test/security_solution_cypress/cypress/e2e/investigations/alerts/alerts_charts.cy.ts

@@ -24,7 +24,7 @@ import {
 } from '../../../screens/search_bar';
 import { TOASTER } from '../../../screens/alerts_detection_rules';
 
-describe(
+describe.skip(
   'Histogram legend hover actions',
   { tags: ['@ess', '@serverless', '@brokenInServerlessQA'] },
   () => {