Bump fastutil from 7.0.12 to 8.3.0 (#13)
Bump fastutil from 7.0.12 to 8.3.0 (#13)

Bumps [fastutil](https://github.com/vigna/fastutil) from 7.0.12 to 8.3.0.
- [Release notes](https://github.com/vigna/fastutil/releases)
- [Changelog](https://github.com/vigna/fastutil/blob/master/CHANGES)
- [Commits](https://github.com/vigna/fastutil/compare/7.0.12...8.3.0)

Signed-off-by: dependabot-preview[bot] <5bdcd3c0d4d24ae3e71b3b452a024c6324c7e4bb@dependabot.com>
akarnokd/akarnokd-misc,akarnokd/akarnokd-misc