fix import
Created by: davejrt
fixes a log15 module import and this error
Test plan
Successful build of the gitserver image on main-dry-run https://buildkite.com/sourcegraph/sourcegraph/builds?branch=main-dry-run%2Fdt%2Flog15
Created by: davejrt
fixes a log15 module import and this error
Successful build of the gitserver image on main-dry-run https://buildkite.com/sourcegraph/sourcegraph/builds?branch=main-dry-run%2Fdt%2Flog15