Can you add py3.9.6 to travis-ci-language-archives

Our organization has PR using python 3.9.6. It was blocked due to no corresponding binaries (18.04/x86_64 python-3.9.6). Could you add it to travis-ci-language-archives? Thank you.

Error from Travis CI:

Downloading archive: https://storage.googleapis.com/travis-ci-language-archives/python/binaries/ubuntu/18.04/x86_64/python-3.9.6.tar.bz2 NaNs$ curl -sSf --retry 5 -o python-3.9.6.tar.bz2 ${archive_url} curl: (22) The requested URL returned error: 404