Ian Wienand 629fdec768 Build Python 3.9 python-builder/base containers
Python 3.9 is released, so let's build containers.

This splits the docker-images/ files up as they are becoming a bit
crowded.

Change-Id: Id68080575a30e4a08c99df0af603fbb65a0983bd
2021-05-05 09:55:56 +10:00
..
2021-04-15 13:20:29 -07:00