We don't need to test with `upgrade: dist`, since we're not trying
to test the `apt` module. We just need to make sure the hold set
by the `dpkg_selections` module is working.
This change will avoid updating all the packages on the system,
which is slow, unnecessary, and can cause the installed python
to be changed.
* Update Shippable integration test groups.
* Update integration test group aliases.
* Rebalance AWS and Azure tests with extra group.
* Rebalance Windows tests with another group.