Support for Sidekiq 7.x

FYI our team discovered that go-workers2 was not compatible with Sidekiq 7.x so we have created a library to add this support, happy to discuss merging into the general project otherwise folks can import it as needed

https://github.com/cirkuit-io/gosidekiq7

Thanks

Start by reviewing go-workers2 and the linked gosidekiq7 library to understand the reported Sidekiq 7.x compatibility gap. Compare the library's support with the general project's current behavior and tests, if available; done means go-workers2 supports Sidekiq 7.x or clearly documents why the external library remains separate.

Written by the indexing model from the issue text.