marking (most) attributes of UpdateUserRequest as optional

Author: AlexTugarev

components/public-api/gitpod/v1/user.proto

@@ -23,14 +23,14 @@ message GetAuthenticatedUserResponse {
 
 message UpdateUserRequest {
   string user_id = 1;
-  string name = 2;
-  string accepted_privacy_policy_date = 3;
-  ProfileDetails profile = 4;
-  string email_address = 5;
-  EditorReference editor_settings = 6;
-  EmailNotificationSettings email_notification_settings = 7;
+  optional string name = 2;
+  optional string accepted_privacy_policy_date = 3;
+  optional ProfileDetails profile = 4;
+  optional string email_address = 5;
+  optional EditorReference editor_settings = 6;
+  optional EmailNotificationSettings email_notification_settings = 7;
   repeated WorkspaceAutostartOption workspace_autostart_options = 8;
-  WorkspaceTimeoutSettings workspace_timeout_settings = 9;
+  optional WorkspaceTimeoutSettings workspace_timeout_settings = 9;
 }
 message UpdateUserResponse {
   User user = 1;