Add top margin for auto devops callout

app/views/shared/_auto_devops_callout.html.haml

-.js-autodevops-banner.banner-callout.banner-non-empty-state.append-bottom-20{ data: { uid: 'auto_devops_settings_dismissed', project_path: project_path(@project) } }
+.js-autodevops-banner.banner-callout.banner-non-empty-state.append-bottom-20.prepend-top-10{ data: { uid: 'auto_devops_settings_dismissed', project_path: project_path(@project) } }
   .banner-graphic
     = custom_icon('icon_autodevops')
 
-  .banner-body.prepend-top-10.prepend-left-10.append-bottom-10
+  .banner-body.prepend-left-10.append-bottom-10
     %h5= s_('AutoDevOps|Auto DevOps (Beta)')
     %p= s_('AutoDevOps|It will automatically build, test, and deploy your application based on a predefined CI/CD configuration.')
     %p