Debian defaults to Python2 which is not complete in aarch64 images. This patch changes CI to always use Python3. Change-Id: Ie2582baf1cf47201e077d49d8c9102b1af9b2bd5
Debian defaults to Python2 which is not complete in aarch64 images. This patch changes CI to always use Python3. Change-Id: Ie2582baf1cf47201e077d49d8c9102b1af9b2bd5