Update requirements.txt on the backend

containers/backend/requirements.txt

@@ -1,10 +1,10 @@
 Django==3.0.7
 django-cors-middleware==1.5.0
 djangorestframework==3.11.0
-djangorestframework-simplejwt==4.4.0
-psycopg2-binary==2.8.5
-gunicorn==20.0.4
+djangorestframework-simplejwt==4.6.0
 djoser==2.0.3
 envparse==0.2.0
+gunicorn==20.0.4
+psycopg2-binary==2.8.6
 # tests
 factory-boy==2.12.0