Bump objenesis from 3.1 to 3.2

Bumps [objenesis](https://github.com/easymock/objenesis) from 3.1 to 3.2.
- [Release notes](https://github.com/easymock/objenesis/releases)
- [Commits](https://github.com/easymock/objenesis/compare/3.1...3.2

)

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