Merge branch 'cablett-merge-request-merged-email-ref' into 'master'

Render Merge request reference as link

See merge request gitlab-org/gitlab!33248

app/views/notify/merged_merge_request_email.html.haml

 %p
-  Merge Request #{@merge_request.to_reference} was merged
+  Merge Request #{link_to @merge_request.to_reference, project_merge_request_url(@merge_request.target_project, @merge_request)} was merged

app/views/notify/merged_merge_request_email.text.haml

 Merge Request #{@merge_request.to_reference} was merged
 
-Merge Request url: #{project_merge_request_url(@merge_request.target_project, @merge_request)}
+Merge Request URL: #{project_merge_request_url(@merge_request.target_project, @merge_request)}
 
 = merge_path_description(@merge_request, 'to')
 

changelogs/unreleased/cablett-merge-request-merged-email-ref.yml

+---
+title: Render Merge request reference as link
+merge_request: 33248
+author:
+type: changed