Changed allowed hosts to wildcard in staging (#852)

config/settings/staging.py

@@ -22,7 +22,7 @@
     "FERNET_SECRET_KEY", default=["76d7e8e551f23cc5b648ec88d01b6d2b26d72b148e2b2a3b02bf77037f236a8b"]
 )
 # https://docs.djangoproject.com/en/dev/ref/settings/#allowed-hosts
-ALLOWED_HOSTS = json.loads(env("DJANGO_ALLOWED_HOSTS", default='["*"]'))
+ALLOWED_HOSTS = ["*"]
 
 # DATABASES
 # ------------------------------------------------------------------------------