Bump mpi4py from 3.1.5 to 3.1.6

[dependabot[bot]]

Bumps mpi4py from 3.1.5 to 3.1.6.

Release notes

Sourced from mpi4py's releases.

3.1.6

WARNING: This is the last release supporting Python 2.

• Fix various build issues.

Changelog

Sourced from mpi4py's changelog.

Release 3.1.6 [2024-04-14]

.. warning:: This is the last release supporting Python 2.

• Fix various build issues.

Commits

• 19c63b4 Bump version number to 3.1.6
• b4e2875 Update release notes
• fc0e6a2 Update year in license file
• d996fe3 readthedocs: Update configuration file
• 998e295 build: Fix after changes to rpath option handling in setuptools
• 7e0451a build: Fix replace LDFLAGS shared -> bundle on PyPy
• 2a45efc docs: Upgrade to Sphinx 7.2.6 and sphinx-rtd-theme 1.3.0
• 02fa7b1 build: Replace LDFLAGS shared -> bundle on PyPy
• 978310e fix: Remove use of internal CPython API to support Python 3.13
• 3f087f3 docs: Fix Sphinx documentation build with Python 3.12
• See full diff in compare view

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