Bump bioformats from 9dadf15 to 996da68

Bumps [bioformats](https://github.com/openmicroscopy/bioformats) from `9dadf15` to `996da68`.
- [Release notes](https://github.com/openmicroscopy/bioformats/releases)
- [Commits](ome/bioformats@9dadf15...996da68)

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

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