build(deps): bump h5py from 3.10.0 to 3.12.1

Bumps [h5py](https://github.com/h5py/h5py) from 3.10.0 to 3.12.1.
- [Release notes](https://github.com/h5py/h5py/releases)
- [Changelog](https://github.com/h5py/h5py/blob/master/docs/release_guide.rst)
- [Commits](h5py/h5py@3.10.0...3.12.1)

---
updated-dependencies:
- dependency-name: h5py
  dependency-type: direct:production
  update-type: version-update:semver-minor
...

Signed-off-by: dependabot[bot] <support@github.com>

Author: dependabot[bot]

requirements.txt

@@ -1,5 +1,5 @@
 Cartopy == 0.23.0
-h5py == 3.10.0
+h5py == 3.12.1
 jupyter == 1.0.0
 keras == 3.3.3
 matplotlib == 3.8.4