Use upper constraints in tox jobs

keeps safe from dependencies drift.

Original upstream repo has master branch only so it does not have this
problem, everything is fixed on the go and only in one place.

Related-Issue: PROD-30711
Change-Id: Icfb8e9023a81b9986421f71fe07a7ab343a45c9c
(cherry picked from commit 2f2688cb1fa47749bb76b4377d9dfbe28d75f265)
2 files changed