dependency: bump sentry-rails from 4.3.3 to 4.3.4

Bumps sentry-rails from 4.3.3 to 4.3.4.

Changelog

Sourced from sentry-rails's changelog.

4.3.4

• Don't assign Rails.logger if it's not present #1387
  • Fixes #1386

Commits

• 82d3bc9 release: 4.3.4
• ac722f0 Don't assign Rails.logger if it's not present (#1387)
• 5e074e1 Bump y18n from 4.0.0 to 4.0.1 in /sentry-raven/examples/rails-6.0 (#1376)
• f1bbcf2 Use thread variable instead of fiber variable to store the hub (#1380)
• 4658f6f Update changelog
• 5adaa73 Fix sampling decision precedence (#1335)
• c98d45e Fix set_contexts (#1375)
• c7be1f3 Merge release-sentry-delayed_job/4.3.1 into master
• e5ef59f release: 4.3.1
• 172ca91 Merge branch 'release-sentry-delayed_job/4.3.0'
• Additional commits viewable in compare view

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