Merge pull request #255 from classy-python/bump-urllib3

Upgrade urllib3 1.26.7 -> 2.4.0

Author: ghickman

requirements.prod.txt

@@ -85,7 +85,7 @@ sqlparse==0.5.3
     # via django
 tomli==2.2.1
     # via sphinx
-urllib3==1.26.7
+urllib3==2.4.0
     # via requests
 werkzeug==2.0.2
     # via -r requirements.prod.in