Prevent setuptools Distribution to parse config files

The pyproject.toml is not compatible with setuptools as it is based on
hatchling backend.

Closes #14789
(grafted from 0b79707bcf19fbee9d243fa2f689e6f18e0869d0)

--HG--
branch : 8.0

tryton/setup-freeze.py

@@ -12,7 +12,7 @@ from pathlib import Path
 from subprocess import check_call
 
 from cx_Freeze import Executable, setup
-from setuptools import find_packages
+from setuptools import Distribution, find_packages
 
 home = os.path.expanduser('~/')
 pythonrc = os.path.join(home, '.pythonrc.py')
@@ -22,6 +22,9 @@ try:
 except IOError:
     pass
 
+# Prevent parsing pyproject.toml
+Distribution.parse_config_files = lambda *a, **k: None
+
 
 include_files = [
     (os.path.join(sys.prefix, 'share', 'glib-2.0', 'schemas'),