Bump brave-bom from 5.12.6 to 5.12.7
Bump brave-bom from 5.12.6 to 5.12.7

Bumps [brave-bom](https://github.com/openzipkin/brave) from 5.12.6 to 5.12.7.
- [Release notes](https://github.com/openzipkin/brave/releases)
- [Changelog](https://github.com/openzipkin/brave/blob/master/RELEASE.md)
- [Commits](https://github.com/openzipkin/brave/compare/5.12.6...5.12.7)

Signed-off-by: dependabot[bot] <5bdcd3c0d4d24ae3e71b3b452a024c6324c7e4bb@github.com>
smoketurner/dropwizard-zipkin,smoketurner/dropwizard-zipkin