Merge branch '222354-fine-tune-notification-dot-behavior' into 'master'

Increase notification dot size

See merge request gitlab-org/gitlab!34664

app/assets/stylesheets/framework/header.scss

@@ -571,8 +571,8 @@
 
 .header-user-notification-dot {
   background-color: $orange-500;
-  height: 10px;
-  width: 10px;
+  height: 12px;
+  width: 12px;
   right: 8px;
   top: -8px;
 }