Changes

Bump mysql-connector-java from 6.0.6 to 8.0.16

Bumps [mysql-connector-java](https://github.com/mysql/mysql-connector-j) from 6.0.6 to 8.0.16.
- [Release notes](https://github.com/mysql/mysql-connector-j/releases)
- [Changelog](https://github.com/mysql/mysql-connector-j/blob/release/8.0/CHANGES)
- [Commits](https://github.com/mysql/mysql-connector-j/compare/6.0.6...8.0.16)

Signed-off-by: dependabot[bot] <support@github.com>
 (commit: 4b74398)