[8.x] [EDR Workflows] Enable Blocklist CY in MKI (#197952) (#197984)

# Backport

This will backport the following commits from `main` to `8.x`:
- [[EDR Workflows] Enable Blocklist CY in MKI
(#197952)](#197952)

<!--- Backport version: 9.4.3 -->

### Questions ?
Please refer to the [Backport tool
documentation](https://github.com/sqren/backport)

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BACKPORT-->

Co-authored-by: Konrad Szwarc <[email protected]>

x-pack/plugins/security_solution/public/management/cypress/e2e/artifacts/blocklist.cy.ts

@@ -41,7 +41,7 @@ const {
 describe(
   'Blocklist',
   {
-    tags: ['@ess', '@serverless', '@skipInServerlessMKI'], // @skipInServerlessMKI until kibana is rebuilt after merge
+    tags: ['@ess', '@serverless'],
   },
   () => {
     let indexedPolicy: IndexedFleetEndpointPolicyResponse;