Bumps [@sentry/browser](https://github.com/getsentry/sentry-javascript) from 5.11.2 to 5.12.1.
- [Release notes](https://github.com/getsentry/sentry-javascript/releases)
- [Changelog](https://github.com/getsentry/sentry-javascript/blob/master/CHANGELOG.md)
- [Commits](https://github.com/getsentry/sentry-javascript/compare/5.11.2...5.12.1)
Signed-off-by: dependabot-preview[bot] <support@dependabot.com>