Extract out the process_regex in the govuk::procfile::worker class
Extract out the process_regex in the govuk::procfile::worker class

Not every procfile worker uses Sidekiq, so this will allow
specialising the value for non-Sidekiq procfile workers.

alphagov/govuk-puppet,alphagov/govuk-puppet,alphagov/govuk-puppet,alphagov/govuk-puppet,alphagov/govuk-puppet,alphagov/govuk-puppet