Bump pymatgen from 2022.0.3 to 2022.0.4

Bumps [pymatgen](https://github.com/materialsproject/pymatgen) from 2022.0.3 to 2022.0.4.
- [Release notes](https://github.com/materialsproject/pymatgen/releases)
- [Changelog](https://github.com/materialsproject/pymatgen/blob/master/CHANGES.rst)
- [Commits](materialsproject/pymatgen@v2022.0.3...v2022.0.4)

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

requirements.txt

@@ -1,3 +1,3 @@
-pymatgen==2022.0.3
+pymatgen==2022.0.4
 joblib==1.0.1
 ase==3.21.1