Move versioneer configuration from setup.cfg to pyproject.toml

[yarikoptic]

versioneer became a bit too obnoxious in reporting its success and fail stories to the user in stdout which we rely on using as a result of an inquiry to setup.py:

❯ python setup.py --name 2>/dev/null
Failed to load config from /home/yoh/proj/datalad/datalad-container/pyproject.toml: 'versioneer'
Try to load it from setup.cfg
datalad_container
❯ echo $?
0

to workaround -- just moving its configuration to its preferred location - pyproject.toml and it starts to behave a bit better

[codeclimate]

Code Climate has analyzed commit 6e560d7 and detected 0 issues on this pull request.

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[yarikoptic]

wow -- quite wild side-effects

Running "build_script" scripts
python -m pip install -q -r requirements-devel.txt
  ERROR: Command errored out with exit status 1:
   command: /home/appveyor/dlvenv/bin/python /home/appveyor/DLTMP/tmpjm4hxin6 get_requires_for_build_wheel /home/appveyor/DLTMP/tmpbz0ku69x
       cwd: /home/appveyor/projects/datalad-container
  Complete output (27 lines):
  Traceback (most recent call last):
    File "/home/appveyor/DLTMP/tmpjm4hxin6", line 280, in <module>
      main()
    File "/home/appveyor/DLTMP/tmpjm4hxin6", line 263, in main
      json_out['return_val'] = hook(**hook_input['kwargs'])
    File "/home/appveyor/DLTMP/tmpjm4hxin6", line 114, in get_requires_for_build_wheel
      return hook(config_settings)
    File "/home/appveyor/DLTMP/pip-build-env-pfgxta44/overlay/lib/python3.8/site-packages/setuptools/build_meta.py", line 325, in get_requires_for_build_wheel
      return self._get_build_requires(config_settings, requirements=['wheel'])
    File "/home/appveyor/DLTMP/pip-build-env-pfgxta44/overlay/lib/python3.8/site-packages/setuptools/build_meta.py", line 295, in _get_build_requires
      self.run_setup()
    File "/home/appveyor/DLTMP/pip-build-env-pfgxta44/overlay/lib/python3.8/site-packages/setuptools/build_meta.py", line 480, in run_setup
      super(_BuildMetaLegacyBackend, self).run_setup(setup_script=setup_script)
    File "/home/appveyor/DLTMP/pip-build-env-pfgxta44/overlay/lib/python3.8/site-packages/setuptools/build_meta.py", line [311](https://ci.appveyor.com/project/mih/datalad-container/builds/48967357/job/38ej3yj95dubq1c2#L311), in run_setup
      exec(code, locals())
    File "<string>", line 15, in <module>
    File "/home/appveyor/projects/datalad-container/versioneer.py", line 1871, in get_version
      return get_versions()["version"]
    File "/home/appveyor/projects/datalad-container/versioneer.py", line 1803, in get_versions
      cfg = get_config_from_root(root)
    File "/home/appveyor/projects/datalad-container/versioneer.py", line 416, in get_config_from_root
      parser.get("versioneer", "VCS")  # raise error if missing
    File "/usr/lib/python3.8/configparser.py", line 781, in get
      d = self._unify_values(section, vars)
    File "/usr/lib/python3.8/configparser.py", line 1149, in _unify_values
      raise NoSectionError(section) from None
  configparser.NoSectionError: No section: 'versioneer'
  ----------------------------------------
ERROR: Command errored out with exit status 1: /home/appveyor/dlvenv/bin/python /home/appveyor/DLTMP/tmpjm4hxin6 get_requires_for_build_wheel /home/appveyor/DLTMP/tmpbz0ku69x Check the logs for full command output.
Command exited with code 1
Running "on_finish" scripts
while [ -f ~/BLOCK ]; do sleep 5; done

and I guess it got there since there is no tomli but then sounds like chicken/egg issue -- let's try anyways

[codecov]

Codecov Report

All modified and coverable lines are covered by tests ✅

Comparison is base (c4c2945) 94.70% compared to head (6e560d7) 94.70%.

Additional details and impacted files

@@           Coverage Diff           @@
##           master     #256   +/-   ##
=======================================
  Coverage   94.70%   94.70%           
=======================================
  Files          24       24           
  Lines        1133     1133           
=======================================
  Hits         1073     1073           
  Misses         60       60           

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[yarikoptic]

ha, ok, no chicken/egg then, all good. Let's see if that resolves our release issues!