Update CI for AA 2.9 / Django 3.2
This change updates the CI tests for running with AA 2.9 which switches to Django 3.2 with Python 3.7 as minimum.
One test run with AA 2.8 / Django 3.1 remains in place for now.
This change updates the CI tests for running with AA 2.9 which switches to Django 3.2 with Python 3.7 as minimum.
One test run with AA 2.8 / Django 3.1 remains in place for now.