Change wording from experimental to Alpha for dismiss feature. refs #6016

doc/user/project/merge_requests/index.md

@@ -271,8 +271,7 @@ following security reports are available:
 > Introduced in [GitLab Ultimate][products] 10.8.
 
 CAUTION: **Warning:**
-This feature is currently experimental and while you can start using it,
-it may receive important changes in the future.
+This feature is currently [Alpha](https://about.gitlab.com/handbook/product/#alpha-beta-ga) and while you can start using it, it may receive important changes in the future.
 
 Each security vulnerability in the report is actionable. Clicking on an entry,
 a detailed information will pop up with two different possible options:

ee/app/assets/javascripts/vue_shared/security_reports/components/modal.vue

@@ -116,7 +116,7 @@ export default {
             class="js-link-vulnerabilityFeedbackHelpPath"
             :href="vulnerabilityFeedbackHelpPath"
           >
-            Learn more about interacting with security reports (experimental).
+            Learn more about interacting with security reports (Alpha).
           </a>
         </div>
       </div>