build(deps): bump fluvio from v0.11.5 to v0.11.6

Bumps [fluvio](https://github.com/infinyon/fluvio) from v0.11.5 to v0.11.6.
- [Release notes](https://github.com/infinyon/fluvio/releases)
- [Changelog](https://github.com/infinyon/fluvio/blob/master/CHANGELOG.md)
- [Commits](infinyon/fluvio@b500708...db1a58d)

---
updated-dependencies:
- dependency-name: fluvio
  dependency-type: direct:production
...

Signed-off-by: dependabot[bot] <[email protected]>