Deprecate enable_tracing in favor of traces_sample_rate

[sl0thentr0py]

See getsentry/team-sdks#84

[codecov]

Codecov Report

Attention: Patch coverage is 50.00000% with 1 line in your changes missing coverage. Please review.

Project coverage is 67.90%. Comparing base (1111acb) to head (5fe5f91).
Report is 1 commits behind head on master.

Files with missing lines	Patch %	Lines
sentry-ruby/lib/sentry/configuration.rb	50.00%	1 Missing ⚠️

Additional details and impacted files

@@            Coverage Diff             @@
##           master    #2535      +/-   ##
==========================================
- Coverage   67.90%   67.90%   -0.01%     
==========================================
  Files         118      118              
  Lines        4481     4483       +2     
==========================================
+ Hits         3043     3044       +1     
- Misses       1438     1439       +1     

Components	Coverage Δ
sentry-ruby	60.12% <50.00%> (-0.01%)	⬇️
sentry-rails	97.48% <ø> (ø)
sentry-sidekiq	∅ <ø> (∅)
sentry-resque	92.64% <ø> (ø)
sentry-delayed_job	95.65% <ø> (ø)
sentry-opentelemetry	100.00% <ø> (ø)

Files with missing lines	Coverage Δ
sentry-rails/lib/generators/sentry_generator.rb	100.00% <ø> (ø)
sentry-ruby/lib/sentry/configuration.rb	85.27% <50.00%> (-0.25%)	⬇️

[sl0thentr0py]

fixing jruby stuff separately