Currently packaging is managed by Yadu.

Here are the steps:

# Create a new git tag :
git tag <MAJOR>.<MINOR>.<BUG_REV>
# Push tag to github :
git push origin <TAG_NAME>

# Depending on permission all of the following might have to be run as root.
sudo su

# Make sure to have twine installed
pip3 install twine

# Create a source distribution
python3 sdist

# Create a wheel package, which is a prebuilt package
python3 bdist_wheel

# Upload the package with twine
twine upload dist/*