add missing tox envs to azure pipeline yml
Address windows build failures noted in gh#2691.
Changes on this diff are PR'd at gh#2694 so that Azure tests run.
Azure tests are no longer failing because of azure pipeline issues, but there are unrelated GRPC tests failing on Windows which @max is working on.
Test Plan: PR to github --> azure
Reviewers: alangenfeld, sashank
Reviewed By: alangenfeld, sashank
Differential Revision: https://dagster.phacility.com/D3810