Bump sentry-raven from 3.1.0 to 3.1.1
Bump sentry-raven from 3.1.0 to 3.1.1

Bumps [sentry-raven](https://github.com/getsentry/raven-ruby) from 3.1.0 to 3.1.1.
- [Release notes](https://github.com/getsentry/raven-ruby/releases)
- [Changelog](https://github.com/getsentry/sentry-ruby/blob/master/CHANGELOG.md)
- [Commits](https://github.com/getsentry/raven-ruby/compare/3.1.0...3.1.1)

Signed-off-by: dependabot[bot] <5bdcd3c0d4d24ae3e71b3b452a024c6324c7e4bb@github.com>
floriandejonckheere/headbanger,floriandejonckheere/headbanger,floriandejonckheere/headbanger,floriandejonckheere/headbanger