Document `sidekiq_options dead: false`

Luke Duncalferequested to merge
ld-refactor-github-dead-false into master

What does this MR do and why?

sidekiq_options dead: false prevents a worker from going to the Sidekiq dead set when they have failed on all of their retries.

This change documents our use of it in the GitHub importer.

MR acceptance checklist

Please evaluate this MR against the MR acceptance checklist. It helps you analyze changes to reduce risks in quality, performance, reliability, security, and maintainability.

Edited by Luke Duncalfe

Merge request reports