Docs: add service accounts to the list of entities that can be assigned permissions (#76876)

call out that dash, folder and DS permissions can be assigned to service accounts

docs/sources/administration/user-management/manage-dashboard-permissions/index.md

@@ -32,7 +32,7 @@ When you grant user permissions for folders, that setting applies to all dashboa
 1. Hover your mouse cursor over a folder and click **Go to folder**.
 1. Click the **Permissions** tab, and then click **Add a permission**.
 1. In the **Add Permission For** dropdown menu, select **User**, **Service Account**, **Team**, or **Role**.
-1. Select the user, team, or role.
+1. Select the user, service account, team, or role.
 1. Select the permission and click **Save**.
 
 ## Grant dashboard permissions
@@ -50,7 +50,7 @@ Grant dashboard permissions when you want to restrict or enhance dashboard acces
 ### Before you begin
 
 - Ensure you have organization administrator privileges
-- Identify the dashboard permissions you want to modify and the users or teams to which you want to grant access
+- Identify the dashboard permissions you want to modify and the users, service accounts, or teams to which you want to grant access
 
 **To grant dashboard permissions**:
 
@@ -60,7 +60,7 @@ Grant dashboard permissions when you want to restrict or enhance dashboard acces
 1. In the top right corner of the dashboard, click **Dashboard settings** (the cog icon).
 1. Click **Permissions** in left-side menu, and then **Add a permission**.
 1. In the **Add Permission For** dropdown menu, select **User**, **Service Account**, **Team**, or **Role**.
-1. Select the user, team, or role.
+1. Select the user, service account, team, or role.
 1. Select the permission and click **Save**.
 
 ## Enable viewers to edit (but not save) dashboards and use Explore