Bump mpi4py from 3.1.4 to 3.1.5

Bumps [mpi4py](https://github.com/mpi4py/mpi4py) from 3.1.4 to 3.1.5.
- [Release notes](https://github.com/mpi4py/mpi4py/releases)
- [Changelog](https://github.com/mpi4py/mpi4py/blob/master/CHANGES.rst)
- [Commits](mpi4py/mpi4py@3.1.4...3.1.5)

---
updated-dependencies:
- dependency-name: mpi4py
  dependency-type: direct:production
  update-type: version-update:semver-patch
...

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

Author: dependabot[bot]

setup.py

@@ -27,7 +27,7 @@
     keywords='lammps, mpi4py',
     packages=find_packages(exclude=["*tests*"]),
     install_requires=[
-        "mpi4py==3.1.4", "pympipool==0.7.1", "numpy==1.26.0"
+        "mpi4py==3.1.5", "pympipool==0.7.1", "numpy==1.26.0"
     ],
     extras_require={
         "ase": ["ase==3.22.1", "scipy==1.11.3"],