Update h5py requirement in /tests

Updates the requirements on [h5py](https://github.com/h5py/h5py) to permit the latest version.
- [Release notes](https://github.com/h5py/h5py/releases)
- [Changelog](https://github.com/h5py/h5py/blob/master/docs/release_guide.rst)
- [Commits](h5py/h5py@3.1.0...3.12.1)

---
updated-dependencies:
- dependency-name: h5py
  dependency-type: direct:production
...

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

tests/constraints.txt

@@ -1,7 +1,7 @@
 numpy>=1.16.6,<1.27
 attrs==23.2.0
 distro==1.9.0
-h5py>=3.1.0,<3.12.0
+h5py>=3.1.0,<3.13.0
 Jinja2>=2.11.2
 pandas>=1.3.5
 pymongo>=3.12.0