CLI produces an incorrect link to troubleshooting page

Created by: rfulwell

• Sourcegraph version:
• src version Current version: 3.27.0

Steps to reproduce:

1. Run a batch preview which fails for some reason (I was trying to run the command in a Docker container which seems to be unsupported).

Expected behavior:

Link to the troubleshooting page: https://docs.sourcegraph.com/batch_changes/references/troubleshooting

Actual behavior:

The CLI incorrectly links to a URL with a dash in place of the underscore: https://docs.sourcegraph.com/batch-changes/references/troubleshooting