Update the restrict workspace admins setting.
update_restrict_workspace_admin.RdUpdates the restrict workspace admins setting for the workspace. A fresh etag
needs to be provided in PATCH requests (as part of the setting field). The
etag can be retrieved by making a GET request before the PATCH request. If
the setting is updated concurrently, PATCH fails with 409 and the request
must be retried by using the fresh etag in the 409 response.