You can check what information is on the log in /var/log/pihole/pihole_debug.log.
If you think it is fine to upload your log, then generate a new one and upload it when asked. Only team members (less than 10 people) will have access to it and probably just one or two will actually open it.
If after reading the log you still think there is information you don't want to share, then you can wait for the community to help you.