add deadsnakes and install python3.10 for docs.nyc1.psf.io
add deadsnakes and install python3.10 for docs.nyc1.psf.io

zware/psf-salt,python/psf-salt,zware/psf-salt,zware/psf-salt,python/psf-salt,python/psf-salt,python/psf-salt,zware/psf-salt