feat: 🎸 upgrade from python 3.9.6 to 3.9.15
because the CI is failing because 3.9.6 seems to have been removed for Ubuntu version 22.04
feat: 🎸 upgrade from python 3.9.6 to 3.9.15: because the CI is failing because 3.9.6 seems to have been removed for Ubuntu version 22.04