Merge branch 'update_patch_doc' into 'master'

Update patch release document

See merge request !1218

doc/release/patch.md

@@ -26,6 +26,6 @@ Otherwise include it in the monthly release and note there was a regression fix
 1. Apply the patch to GitLab Cloud and the private GitLab development server
 1. [Build new packages with the latest version](https://gitlab.com/gitlab-org/omnibus-gitlab/blob/master/doc/release.md)
 1. Cherry-pick the changelog update back into master
+1. Create blog post
 1. Send tweets about the release from `@gitlabhq`, tweet should include the most important feature that the release is addressing as well as the link to the changelog
 1. Note in the 'GitLab X.X regressions' issue that the patch was published (CE only)
-1. Send out an email to the 'GitLab Newsletter' mailing list on MailChimp (or the 'Subscribers' list if the patch is EE only)