Bump ome-model from 8f5508f to a8e8fdf

Bumps [ome-model](https://github.com/ome/ome-model) from `8f5508f` to `a8e8fdf`.
- [Release notes](https://github.com/ome/ome-model/releases)
- [Commits](ome/ome-model@8f5508f...a8e8fdf)

---
updated-dependencies:
- dependency-name: ome-model
  dependency-type: direct:production
...

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