Update h5py requirement in /tools

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] <support@github.com>

tools/constraints.txt

@@ -2,7 +2,7 @@
 # some package versions need to be specified in respective requirements.txt
 # files because the version differs between them:
 # tensorflow, numpy
-h5py>=3.1.0,<3.11.0
+h5py>=3.1.0,<3.13.0
 onnx>=1.8.1,<=1.17.0
 networkx<=3.1.0
 pytest>=5.0,<8.4