Bump flatbuffers-java from 2.0.3 to 2.0.7
Bump flatbuffers-java from 2.0.3 to 2.0.7

Bumps [flatbuffers-java](https://github.com/google/flatbuffers) from 2.0.3 to 2.0.7.
- [Release notes](https://github.com/google/flatbuffers/releases)
- [Changelog](https://github.com/google/flatbuffers/blob/master/CHANGELOG.md)
- [Commits](https://github.com/google/flatbuffers/commits/v2.0.7)

---
updated-dependencies:
- dependency-name: com.google.flatbuffers:flatbuffers-java
  dependency-type: direct:production
  update-type: version-update:semver-patch
...

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