python-cffi: Update to 1.16.0

This includes a patch to unpin the version of setuptools required for
build; the required version is newer than the version bundled with
Python 3.11. This patch should not be necessary when Python 3.12 is
available.

Signed-off-by: Jeffery To <jeffery.to@gmail.com>

lang/python/python-cffi/patches/001-unpin-setuptools.patch

@@ -0,0 +1,10 @@
+--- a/pyproject.toml
++++ b/pyproject.toml
+@@ -2,6 +2,6 @@
+ requires = [
+     # first version that supports Python 3.12; older versions may work
+     # with previous Python versions, but are not tested
+-    "setuptools >= 66.1"
++    "setuptools"
+ ]
+ build-backend = "setuptools.build_meta"