This adds a missing migration file to change the plural name of a
model.

These were pinned because they drop support for Django<2.2 (or were
planning on it, in the latter case.)

No related changes in computed requirements.

ARCHBOM-1105

TNL-7184

and settings to set SameSite=None for all secure cookies.

This update pulls in transitioning various contains content calls to
use the new enterprise catalog service behind a waffle flag.

ENT-2575

This adds contraints to:
kiwisolver: next release only works with python>=3.6

The was run to upgrade:
django-splash
django-wiki
edx-search
The previous versions were constraining django below 2.0.

Co-authored-by: Robert Raposa <rraposa@edx.org>

This adds django admin access to its models.

AA-93

removed extra dependency

Update this library in order to get the Django2 fix in https://github.com/jazzband/django-model-utils/pull/335

We'll upgrade this again along with pytest once pytest-dev/pytest#6925 is resolved.

Also, it looks like a flaky error in test class DB setup outside a transaction was mucking things up for the rest of the test shard. I didn't try to fix the flakiness, but this should at least limit the blast radius to just that test class. We really need to start using setUpTestData() more consistently.

fixed tag issue

Upgrade uses renamed enterprise catalog endpoints

Also pinned httpretty < 1.0 because that upgrade broke many tests.