Bump gson from 2.8.5 to 2.8.9 in /bundles/org.openhab.persistence.influxdb (#12772)

Bump gson from 2.8.5 to 2.8.9 in /bundles/org.openhab.persistence.influxdb (#12772)

* Bump gson in /bundles/org.openhab.persistence.influxdb

Bumps [gson](https://github.com/google/gson) from 2.8.5 to 2.8.9.
- [Release notes](https://github.com/google/gson/releases)
- [Changelog](https://github.com/google/gson/blob/master/CHANGELOG.md)
- [Commits](https://github.com/google/gson/compare/gson-parent-2.8.5...gson-parent-2.8.9)

---
updated-dependencies:
- dependency-name: com.google.code.gson:gson
  dependency-type: direct:production
...

Signed-off-by: dependabot[bot] <support@github.com>
* Prevent embedding issues by excluding module-info.class

Signed-off-by: Wouter Born <github@maindrain.net>
Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>
Co-authored-by: Wouter Born <github@maindrain.net>