450768ee6c
- debian 11 only has python 3.9, deb12 has py3.11
- pip install pip is no longer needed, atm apt has new enough pip
- and on deb12, started getting "error: externally-managed-environment"
- faketime does not seem to work properly on debian 12
(getting reproducibility issues for the tarball)
- so instead we untar, fix the timestamps manually, and re-tar