Need to support python 3.12

[xiki-tempula]

× python setup.py egg_info did not run successfully.
│ exit code: 1
╰─> [18 lines of output]
    /tmp/pip-install-s_1hwqpj/alchemtest_0bb9d0ce4266426896888512ca32b04c/versioneer.py:421: SyntaxWarning: invalid escape sequence '\s'
      LONG_VERSION_PY['git'] = '''
    Traceback (most recent call last):
      File "<string>", line 2, in <module>
      File "<pip-setuptools-caller>", line 34, in <module>
      File "/tmp/pip-install-s_1hwqpj/alchemtest_0bb9d0ce4266426896888512ca32b04c/setup.py", line 15, in <module>
        version=versioneer.get_version(),
                ^^^^^^^^^^^^^^^^^^^^^^^^
      File "/tmp/pip-install-s_1hwqpj/alchemtest_0bb9d0ce4266426896888512ca32b04c/versioneer.py", line 1480, in get_version
        return get_versions()["version"]
               ^^^^^^^^^^^^^^
      File "/tmp/pip-install-s_1hwqpj/alchemtest_0bb9d0ce4266426896888512ca32b04c/versioneer.py", line 1412, in get_versions
        cfg = get_config_from_root(root)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^
      File "/tmp/pip-install-s_1hwqpj/alchemtest_0bb9d0ce4266426896888512ca32b04c/versioneer.py", line 342, in get_config_from_root
        parser = configparser.SafeConfigParser()
                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
    AttributeError: module 'configparser' has no attribute 'SafeConfigParser'. Did you mean: 'RawConfigParser'?
    [end of output]