Bump apispec-oneofschema from 3.0.1 to 3.0.2 in /flowmachine

Bumps [apispec-oneofschema](https://github.com/timakro/apispec-oneofschema) from 3.0.1 to 3.0.2.
- [Commits](https://github.com/timakro/apispec-oneofschema/commits)

---
updated-dependencies:
- dependency-name: apispec-oneofschema
  dependency-version: 3.0.2
  dependency-type: direct:production
  update-type: version-update:semver-patch
...

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

Author: dependabot[bot]