NRL-1188 Use latest allowed python version

Author: jackleary

terraform/account-wide-infrastructure/dev/glue.tf

@@ -1,5 +1,5 @@
 module "dev-glue" {
   source         = "../modules/glue"
   name_prefix    = "nhsd-nrlf--dev"
-  python_version = "3.12.2"
+  python_version = "3.9"
 }