Bump mozilla-django-oidc from 3.0.0 to 4.0.0

Bumps [mozilla-django-oidc](https://github.com/mozilla/mozilla-django-oidc) from 3.0.0 to 4.0.0.
- [Release notes](https://github.com/mozilla/mozilla-django-oidc/releases)
- [Changelog](https://github.com/mozilla/mozilla-django-oidc/blob/main/HISTORY.rst)
- [Commits](mozilla/mozilla-django-oidc@3.0.0...4.0.0)

---
updated-dependencies:
- dependency-name: mozilla-django-oidc
  dependency-type: direct:production
  update-type: version-update:semver-major
...

Signed-off-by: dependabot[bot] <[email protected]>

requirements.txt

@@ -23,7 +23,7 @@ kubernetes==25.3.0
 MarkupSafe==2.1.3
 model-mommy==2.0.0
 moto==1.3.14
-mozilla-django-oidc==3.0.0
+mozilla-django-oidc==4.0.0
 psycopg2-binary==2.9.6
 PyNaCl==1.5.0
 pytest==7.3.1