Replace distutils with included module in ansible-core 2.12

- Fixes #303
- Addresses PEP 632(https://www.python.org/dev/peps/pep-0632/)

Signed-off-by: Hideki Saito <saito@fgrep.org>

plugins/module_utils/version.py

@@ -0,0 +1,18 @@
+# -*- coding: utf-8 -*-
+
+# Copyright: (c) 2021, Felix Fontein <felix@fontein.de>
+# GNU General Public License v3.0+ (see COPYING or https://www.gnu.org/licenses/gpl-3.0.txt)
+
+"""Provide version object to compare version numbers."""
+
+from __future__ import absolute_import, division, print_function
+
+__metaclass__ = type
+
+
+# Once we drop support for Ansible 2.9 and ansible-base 2.10, we can
+# remove the _version.py file, and replace the following import by
+#
+#     from ansible.module_utils.compat.version import LooseVersion
+
+from ._version import LooseVersion