Bump ZarrReader from 9a9e662 to 31d6d95

Bumps [ZarrReader](https://github.com/ome/ZarrReader) from `9a9e662` to `31d6d95`.
- [Release notes](https://github.com/ome/ZarrReader/releases)
- [Commits](ome/ZarrReader@9a9e662...31d6d95)

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

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