Upgrade Django 5.0.14 -> 5.1.8

Author: ghickman

requirements.prod.txt

@@ -18,7 +18,7 @@ dj-database-url==0.5.0
     # via environs
 dj-email-url==1.0.6
     # via environs
-django==5.0.14
+django==5.1.8
     # via
     #   -r requirements.prod.in
     #   django-extensions