Add fix for #8009 to CHANGELOG
Created by: mrnugget
Adding the fix for https://github.com/sourcegraph/sourcegraph/issues/8009 to the CHANGELOG so it can be released in 3.12.2 later today.
Created by: mrnugget
Adding the fix for https://github.com/sourcegraph/sourcegraph/issues/8009 to the CHANGELOG so it can be released in 3.12.2 later today.