Switch from distutils to setuptools

distutils was depricated in Python3.12 trying to build kernelstub
on 22.04 (jammy) results in the folowing error:
```
DeprecationWarning: The distutils package is deprecated and slated
for removal in Python 3.12. Use setuptools or check PEP 632 for
potential alternatives
```

Author: 13r0ck

debian/control

@@ -2,7 +2,7 @@ Source: kernelstub
 Maintainer: Ian Santopietro <[email protected]>
 Section: python
 Priority: optional
-Build-Depends: python3-all, pyflakes3, debhelper (>= 7.4.3), dh-python
+Build-Depends: python3-all, pyflakes3, debhelper (>= 7.4.3), dh-python, python3-setuptools
 Standards-Version: 3.9.1
 
 Package: kernelstub

setup.py

@@ -19,8 +19,8 @@
 """
 
 
-from distutils.core import setup
-from distutils.cmd import Command
+from setuptools import setup
+from setuptools import Command
 import os, subprocess, sys
 
 TREE = os.path.dirname(os.path.abspath(__file__))