Bump pymatgen from 2024.3.1 to 2024.5.31

Bumps [pymatgen](https://github.com/materialsproject/pymatgen) from 2024.3.1 to 2024.5.31.
- [Release notes](https://github.com/materialsproject/pymatgen/releases)
- [Changelog](https://github.com/materialsproject/pymatgen/blob/master/docs/CHANGES.md)
- [Commits](materialsproject/pymatgen@v2024.3.1...v2024.5.31)

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

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

requirements.txt

@@ -3,5 +3,5 @@ pandas==1.5.2
 scikit-learn==1.3.2
 matminer==0.9.2
 numpy>=1.25
-pymatgen==2024.3.1
+pymatgen==2024.5.31
 scikit-learn==1.3.2