Bump h5py from 3.11.0 to 3.12.1

Bumps [h5py](https://github.com/h5py/h5py) from 3.11.0 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@3.11.0...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>

pyproject.toml

@@ -37,7 +37,7 @@ Repository = "https://github.com/pyiron/executorlib"
 [project.optional-dependencies]
 mpi = ["mpi4py==4.0.0"]
 hdf = [
-    "h5py==3.11.0",
+    "h5py==3.12.1",
 ]
 graph = [
     "pygraphviz==1.14",