Update django (#1624)

Author: Tansito

gateway/requirements.txt

@@ -7,7 +7,7 @@ django-csp>=3.8, <4
 djangorestframework-simplejwt>=5.3.1, <6
 django_prometheus>=2.3.1, <3
 ray[default]>=2.30.0, <3
-Django>=4.2.11, <5
+Django>=4.2.20, <5
 gunicorn>=23.0.0, <24
 requests>=2.32.2, <3
 psycopg2-binary>=2.9.9, <3