Downgrade allauth

Accounts for removal of `email_address_exists` being deprecated in 0.55+

zubhub_backend/compose/web/requirements.txt

@@ -13,7 +13,7 @@ coverage>=5.1
 decorator>=4.4.2
 defusedxml>=0.6.0
 Django>=2.2.7,<=3.2
-django-allauth>=0.40.0
+django-allauth<=0.52.0
 django-appconf>=1.0.4
 django-capture-on-commit-callbacks>=1.2.0
 django-celery-email>=3.0.0