Bump fluvio from v0.10.14 to v0.10.15

Bumps [fluvio](https://github.com/infinyon/fluvio) from v0.10.14 to v0.10.15.
- [Release notes](https://github.com/infinyon/fluvio/releases)
- [Changelog](https://github.com/infinyon/fluvio/blob/master/CHANGELOG.md)
- [Commits](infinyon/fluvio@18505ad...e88c106)

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

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