Add before_send_check_in

[sl0thentr0py]

• Cleanup before_send to only apply to ErrorEvent
• also remove the Hash deprecation message

Issues

• resolves: Add before_send_check_in #2705
• resolves: RUBY-94

[codecov]

Codecov Report

❌ Patch coverage is 44.44444% with 10 lines in your changes missing coverage. Please review.
✅ Project coverage is 56.69%. Comparing base (4fa52f3) to head (76aebb0).
⚠️ Report is 1 commits behind head on 6.0-dev.

Files with missing lines	Patch %	Lines
sentry-ruby/lib/sentry/client.rb	23.07%	10 Missing ⚠️

❗ There is a different number of reports uploaded between BASE (4fa52f3) and HEAD (76aebb0). Click for more details.

HEAD has 65 uploads less than BASE

Flag	BASE (4fa52f3)	HEAD (76aebb0)
	85	20

Additional details and impacted files

@@             Coverage Diff             @@
##           6.0-dev    #2703      +/-   ##
===========================================
- Coverage    65.58%   56.69%   -8.89%     
===========================================
  Files          139      130       -9     
  Lines         5416     5092     -324     
===========================================
- Hits          3552     2887     -665     
- Misses        1864     2205     +341     

Components	Coverage Δ
sentry-ruby	54.52% <44.44%> (+0.65%)	⬆️
sentry-rails	43.00% <ø> (-53.29%)	⬇️
sentry-sidekiq	96.44% <ø> (-0.14%)	⬇️
sentry-resque	94.20% <ø> (-0.25%)	⬇️
sentry-delayed_job	∅ <ø> (∅)
sentry-opentelemetry	100.00% <ø> (+0.68%)	⬆️

Files with missing lines	Coverage Δ
sentry-ruby/lib/sentry/configuration.rb	81.46% <100.00%> (+0.56%)	⬆️
sentry-ruby/lib/sentry/client.rb	36.84% <23.07%> (+0.89%)	⬆️

... and 68 files with indirect coverage changes

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[linear]

RUBY-94 Add before_send_check_in

[solnic]

LGTM, left just one suggestion re CHANGELOG.