dependency: bump sentry-rails from 4.5.1 to 4.5.2

Bumps sentry-rails from 4.5.1 to 4.5.2.

Changelog

Sourced from sentry-rails's changelog.

4.5.2

Refactoring

• Remove redundant files #1477

Bug Fixes

• Disable release detection when SDK is not configured to send events #1471
  • Fixes #885

Commits

• a0f6034 release: 4.5.2
• d183105 Remove unreleased mark (#1481)
• 24eacc9 Add resque to sentry-rails' example app (#1479)
• 07f805d Bump color-string in /sentry-raven/examples/rails-6.0 (#1478)
• c164624 Bump postcss from 7.0.32 to 7.0.36 in /sentry-raven/examples/rails-6.0 (#1474)
• 67bc0d3 Add sentry-resque (#1476)
• eb77255 Remove redundant files (#1477)
• 6d2fc60 Update changelog entry (#1472)
• e73fd76 Disable release detection when SDK is not configured to send events (#1471)
• f992b27 Bump ws from 6.2.1 to 6.2.2 in /sentry-raven/examples/rails-6.0 (#1467)
• Additional commits viewable in compare view

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