chore(deps): update terraform terraform-aws-modules/rds-aurora/aws to v9.6.0

Author: renovate[bot]

terraform/postgres/main.tf

@@ -8,7 +8,7 @@ resource "aws_db_subnet_group" "db_subnets" {
 
 module "db_cluster" {
   source  = "terraform-aws-modules/rds-aurora/aws"
-  version = "9.3.1"
+  version = "9.6.0"
 
   name               = module.this.id
   database_name      = var.db_name