Fix missing OpenStruct in raven CI

[sl0thentr0py]

#skip-changelog

[codecov]

Codecov Report

All modified and coverable lines are covered by tests ✅

Project coverage is 98.17%. Comparing base (0f0666c) to head (06f0e13).
Report is 1 commits behind head on master.

Additional details and impacted files

@@           Coverage Diff           @@
##           master    #2480   +/-   ##
=======================================
  Coverage   98.17%   98.17%           
=======================================
  Files         128      128           
  Lines        4827     4827           
=======================================
  Hits         4739     4739           
  Misses         88       88           

Components	Coverage Δ
sentry-ruby	98.57% <ø> (ø)
sentry-rails	97.07% <ø> (ø)
sentry-sidekiq	96.96% <ø> (ø)
sentry-resque	92.85% <ø> (ø)
sentry-delayed_job	95.65% <ø> (ø)
sentry-opentelemetry	99.31% <ø> (ø)