Document permissions for users to manage dashboard

doc/user/permissions.md

@@ -139,6 +139,7 @@ The following table depicts the various user permission levels in a project.
 | Manage GitLab Pages domains and certificates      |         |            |             | ✓        | ✓      |
 | Remove GitLab Pages                               |         |            |             | ✓        | ✓      |
 | Manage clusters                                   |         |            |             | ✓        | ✓      |
+| Manage Project Operations                         |         |            |             | ✓        | ✓      |
 | View Pods logs                                    |         |            |             | ✓        | ✓      |
 | Manage license policy **(ULTIMATE)**              |         |            |             | ✓        | ✓      |
 | Edit comments (posted by any user)                |         |            |             | ✓        | ✓      |

doc/user/project/operations/dashboard_settings.md

@@ -9,6 +9,9 @@ info: To determine the technical writer assigned to the Stage/Group associated w
 You can configure your [Monitoring dashboard](../integrations/prometheus.md) to
 display the time zone of your choice, and the links of your choice.
 
+To configure these settings you must have Manage Project
+Operations [permissions](../../permissions.md).
+
 ## Change the dashboard time zone
 
 > [Introduced](https://gitlab.com/gitlab-org/gitlab/-/issues/214370) in GitLab 13.1.
@@ -17,6 +20,7 @@ By default, your monitoring dashboard displays dates and times in your local
 time zone, but you can display dates and times in UTC format. To change the
 time zone:
 
+1. Sign in as a user with Manage Project Operations [permissions](../../permissions.md).
 1. Navigate to **{settings}** **Settings > Operations**, and scroll to
    **Metrics Dashboard**.
 1. In the **Dashboard timezone** select box, select *User's local timezone*
@@ -32,6 +36,7 @@ time zone:
 You can add a button on your monitoring dashboard that links directly to your
 existing external dashboards:
 
+1. Sign in as a user with Manage Project Operations [permissions](../../permissions.md).
 1. Navigate to **{settings}** **Settings > Operations**, and scroll to
    **Metrics Dashboard**.
 1. In **External dashboard URL**, provide the URL to your external dashboard: