draft use sentry on logger frontend
Created by: jhchabran
TODO
Test plan
Locally tested, by setting a DSN in the siteconfig. I used the dev
project to run the experiments: ex: https://sentry.io/organizations/sourcegraph/issues/3322589787/?project=1243424&query=is%3Aunresolved+%21url%3A%2Fgo%2A+%21message%3A%22cannot+find+package+%5C%22.%5C%22%22+%21message%3A%22non-github+clone+URL%22++%21message%3A%22%5C%2Atrace.httpErr%22