fix: bump django from 2.2.20 to 2.2.21 (#1534)

* build(deps): bump django from 2.2.20 to 2.2.21

Bumps [django](https://github.com/django/django) from 2.2.20 to 2.2.21.
- [Release notes](https://github.com/django/django/releases)
- [Commits](django/django@2.2.20...2.2.21)

---
updated-dependencies:
- dependency-name: django
  dependency-type: direct:production
...

Signed-off-by: dependabot[bot] <support@github.com>

* Merge branch 'development' into dependabot/pip/django-2.2.21

* Merge branch 'development' into dependabot/pip/django-2.2.21

* fix: update lockfile

* fix: update lockfile after portal publish

* Logout Einstein after test setup