Releasing pydata-google-auth

Update the CHANGELOG. Example: #60
Tag commit
```
git tag -a x.x.x -m 'Version x.x.x'
```
and push to github
```
git push upstream main --tags
```

Build the package

git clean -xfd
python setup.py sdist bdist_wheel --universal

Upload to test PyPI

twine upload --repository testpypi dist/*

Try out test PyPI package

pip install --upgrade --index-url https://test.pypi.org/simple/ --extra-index-url https://pypi.org/simple pydata-google-auth

Upload to PyPI
```
twine upload dist/*
```
Do a pull-request to the feedstock on pydata-google-auth-feedstock <https://github.com/conda-forge/pydata-google-auth-feedstock/>__
```
update the version
update the SHA256 (retrieve from PyPI)
```