Affected: Go: github.com/openfga/openfga

## Description

In OpenFGA, when MySQL is being used as the datastore, two distinct check requests can return the same response.

## Preconditions

This applies if the following preconditions are met:

1. You run OpenFGA with MySQL as the datastore 2. Your authorization decisions rely on case-sensitive user strings.

## Fix Upgrade to OpenFGA 1.18.0 or greater.

## Acknowledgements OpenFGA would like to thank @sahajamoth for the detailed report.