Merge branch 'define-guest-redux' into 'master'

Define guest role

See merge request https://gitlab.com/gitlab-org/gitlab/-/merge_requests/131058



Merged-by: Phillip Wells <pwells@gitlab.com>
Approved-by: Amanda Rueda <2890431-amandarueda@users.noreply.gitlab.com>
Approved-by: Phillip Wells <pwells@gitlab.com>
Co-authored-by: Jonathan Glassman <jglassman@gitlab.com>

doc/development/permissions/predefined_roles.md

@@ -96,6 +96,20 @@ NOTE:
 In [GitLab 14.9](https://gitlab.com/gitlab-org/gitlab/-/issues/351211) and later, projects in personal namespaces have a maximum role of Owner.
 Because of a [known issue](https://gitlab.com/gitlab-org/gitlab/-/issues/219299) in GitLab 14.8 and earlier, projects in personal namespaces have a maximum role of Maintainer.
+#### Guest role
+
+A user with the Guest role in GitLab can view project plans, blockers and other
+progress indicators. While unable to modify data they have not created, Guests
+can contribute to a project by creating and linking project work items. Guests
+can also view high-level project information such as:
+
+- Analytics.
+- Incident information.
+- Issues and epics.
+- Licenses.
+
+For more information, see [project member permissions](../../user/permissions.md#project-members-permissions).
+
 ### Confidential issues
 [Confidential issues](../../user/project/issues/confidential_issues.md) can be accessed