Bump certifi from 2023.07.22 to 2024.7.4 in /python (#1358)

Author: svix-jplatte

python/requirements-dev.txt

@@ -16,7 +16,7 @@ black==23.3.0
     # via openapi-python-client
 build==0.10.0
     # via pip-tools
-certifi==2023.07.22
+certifi==2024.7.4
     # via
     #   httpcore
     #   httpx