Merge branch 'docs-bprescott-20210112-emailnofif' into 'master'

Add PAT expiry to notifications doc

See merge request gitlab-org/gitlab!51436

doc/user/profile/notifications.md

@@ -153,6 +153,9 @@ Users are notified of the following events:
 | Project access level changed | User                | Sent when user project access level is changed |
 | User added to group          | User                | Sent when user is added to group |
 | Group access level changed   | User                | Sent when user group access level is changed |
+| Personal Access Tokens expiring soon | User          | Security email, always sent. |
+<!-- Do not delete or lint this instance of future tense -->
+| Personal Access Tokens have expired | User         | Security email, always sent. |
 | Project moved                | Project members (1) | (1) not disabled             |
 | New release                  | Project members     | Custom notification          |