pom.xml

Bumps [h2](https://github.com/h2database/h2database) from 1.4.200 to 2.1.210.
- [Release notes](https://github.com/h2database/h2database/releases)
- [Commits](https://github.com/h2database/h2database/compare/version-1.4.200...version-2.1.210

)

---
updated-dependencies:
- dependency-name: com.h2database:h2
  dependency-type: direct:development
...

Signed-off-by: dependabot[bot] <support@github.com>