Upgrade terraform-aws-modules/rds/aws module to 3.3.0

3.1.0: https://github.com/terraform-aws-modules/terraform-aws-rds/releases/tag/v3.1.0
3.2.0: https://github.com/terraform-aws-modules/terraform-aws-rds/releases/tag/v3.2.0
3.3.0: https://github.com/terraform-aws-modules/terraform-aws-rds/releases/tag/v3.3.0

Author: dzhlobo

aws/postgresql/main.tf

@@ -83,7 +83,7 @@ resource "aws_security_group" "database" {
 
 module "rds" {
   source  = "terraform-aws-modules/rds/aws"
-  version = "3.0.0"
+  version = "3.3.0"
 
   identifier = "${var.app}-${var.environment}"