Merge branch 'participants-list' into 'master'

Fix participants margins to fit on one line

See merge request !8640

app/assets/stylesheets/pages/issuable.scss

@@ -377,6 +377,10 @@
   display: inline-block;
   padding: 5px;
 
+  &:nth-of-type(7n) {
+    padding-right: 0;
+  }
+
   .author_link {
     display: block;
   }

changelogs/unreleased/participants-list.yml

+---
+title: Fix participants margins to fit on one line
+merge_request:
+author: