Bump hibernate-core from 3.6.10.Final to 5.3.20.Final in /hibernate

Bumps [hibernate-core](https://github.com/hibernate/hibernate-orm) from 3.6.10.Final to 5.3.20.Final.
- [Release notes](https://github.com/hibernate/hibernate-orm/releases)
- [Changelog](https://github.com/hibernate/hibernate-orm/blob/5.3.20/changelog.txt)
- [Commits](https://github.com/hibernate/hibernate-orm/compare/3.6.10.Final...5.3.20)

---
updated-dependencies:
- dependency-name: org.hibernate:hibernate-core
  dependency-type: direct:production
...

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