Allow virtualenv-multiver to choose versions from a config file.
Review Request #13090 — Created June 1, 2023 and submitted
This adds support for config-specified Python versions in a
create an environment.
That helps a lot with consistency. Projects can now define the supported
virtualenv-multiverwill then use those to create a
Tested with specifying versions on the command line.
Tested with specifying versions in a config file.
Tested with no versions specified.