Improve table code and add CHANGELOG

CHANGELOG

@@ -124,6 +124,7 @@ v 8.12.0 (unreleased)
   - API for Ci Lint !5953 (Katarzyna Kobierska Urszula Budziszewska)
   - Allow bulk update merge requests from merge requests index page
   - Add notification_settings API calls !5632 (mahcsig)
+  - Remove duplication between project builds and admin builds view !5680 (Katarzyna Kobierska Ula Budziszewska)
 
 v 8.11.6 (unreleased)
 

app/views/projects/builds/_table.html.haml

@@ -15,12 +15,10 @@
           %th Name
           %th
           %th
-            - unless admin
-              - if project.build_coverage_enabled?
-                Coverage
+            - if !admin && project.build_coverage_enabled?
+              Coverage
           %th
 
-
       - if admin
         - builds.each do |build|
           = render "admin/builds/build", build: build