Bump mysql-connector-java from 5.1.44 to 8.0.28 in /airavata-kubernetes

Bumps [mysql-connector-java](https://github.com/mysql/mysql-connector-j) from 5.1.44 to 8.0.28.
- [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/5.1.44...8.0.28)

---
updated-dependencies:
- dependency-name: mysql:mysql-connector-java
  dependency-type: direct:production
...

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