Bump com.mysql:mysql-connector-j in /modules/jdbc-test

Bumps [com.mysql:mysql-connector-j](https://github.com/mysql/mysql-connector-j) from 9.5.0 to 9.6.0.
- [Changelog](https://github.com/mysql/mysql-connector-j/blob/release/9.x/CHANGES)
- [Commits](https://github.com/mysql/mysql-connector-j/compare/9.5.0...9.6.0)

---
updated-dependencies:
- dependency-name: com.mysql:mysql-connector-j
  dependency-version: 9.6.0
  dependency-type: direct:production
  update-type: version-update:semver-minor
...

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