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Bump pybind11 version to enable Python 3.11 wheel builds (#1489)

This commit bumps the pybind11 version to 2.10.0, which is the first
pybind version coming with Python 3.11 support. This change is necessary
to facilitate wheel builds for Python 3.11 and upward, as changes to
Python internals in 3.11 broke compatibility with older pybind11
versions.

Co-authored-by: Dominic Hamon <dominichamon@users.noreply.github.com>