feat(sentry-sidekiq): add report_errors_via_rails config

[lucasmazza]

Description

Adds a report_errors_via_rails config to sentry-sidekiq to fix #2698. When this is enabled, exceptions reported by the Sidekiq error handler will first go through Rails.error (and Rails::Sentry::ErrorSubscriber) before being sent to Sentry.

This allow exceptions from Sidekiq jobs to use the same context from Rails.error.set_context or Rails.error.add_middleware (available on Rails 8.1+)

Fixes RUBY-92

[lucasmazza]

I'm testing this with our Rails app but the solution isn't quite there yet - Rails reporter is ignoring the exception because the retry check has marked it as @__rails_error_reported somehow :/

[solnic]

Rails reporter is ignoring the exception because the retry check has marked it as @__rails_error_reported somehow :/

@lucasmazza did you manage to figure it out?

[lucasmazza]

@solnic nope - I couldn't figure this out and changed our app code to stop using Rails.error.set_context and use Sentry.set_context directly.

[codecov]

Codecov Report

✅ All modified and coverable lines are covered by tests.
✅ Project coverage is 97.31%. Comparing base (611ef73) to head (75b5ac9).
⚠️ Report is 15 commits behind head on master.

Additional details and impacted files

@@           Coverage Diff           @@
##           master    #2701   +/-   ##
=======================================
  Coverage   97.31%   97.31%           
=======================================
  Files         144      144           
  Lines        5657     5664    +7     
=======================================
+ Hits         5505     5512    +7     
  Misses        152      152           

Components	Coverage Δ
sentry-ruby	97.78% <ø> (ø)
sentry-rails	95.61% <ø> (ø)
sentry-sidekiq	96.66% <100.00%> (+0.08%)	⬆️
sentry-resque	94.44% <ø> (ø)
sentry-delayed_job	94.68% <ø> (ø)
sentry-opentelemetry	99.31% <ø> (ø)

Files with missing lines	Coverage Δ
sentry-sidekiq/lib/sentry/sidekiq/configuration.rb	100.00% <100.00%> (ø)
sentry-sidekiq/lib/sentry/sidekiq/error_handler.rb	95.45% <100.00%> (+0.58%)	⬆️

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