Add support for Python 3.12

Python 3.12 completely removed the builtin `distutils` module. This
commit replaces its use with the `packaging` package, which is an
external dependency, but maintained by the Python developers.

Signed-off-by: Andrew Gunnerson <accounts+gitlab@chiller3.com>

setup.py

@@ -98,6 +98,7 @@ setup(
         'paramiko',
         'Pillow',
         'apache-libcloud >= 0.14.1',
+        'packaging',
         'pyasn1 >=0.4.1, < 0.5.0',
         'pyasn1-modules >= 0.2.1, < 0.3',
         'python-vagrant',