Bump sentry-raven from 3.0.0 to 3.0.2
Bump sentry-raven from 3.0.0 to 3.0.2

Bumps [sentry-raven](https://github.com/getsentry/raven-ruby) from 3.0.0 to 3.0.2.
- [Release notes](https://github.com/getsentry/raven-ruby/releases)
- [Changelog](https://github.com/getsentry/raven-ruby/blob/master/CHANGELOG.md)
- [Commits](https://github.com/getsentry/raven-ruby/compare/v3.0.0...3.0.2)

Signed-off-by: dependabot-preview[bot] <5bdcd3c0d4d24ae3e71b3b452a024c6324c7e4bb@dependabot.com>
mitre-cyber-academy/registration-app,mitre-cyber-academy/registration-app,mitre-cyber-academy/ctf-scoreboard,mitre-cyber-academy/ctf-scoreboard,mitre-cyber-academy/ctf-scoreboard,mitre-cyber-academy/registration-app,mitre-cyber-academy/ctf-scoreboard