upgrade database instance power

infrastructure/terraform/main.tf

@@ -87,6 +87,8 @@ resource "aws_db_instance" "default" {
   apply_immediately = true
   # Set up storage type to gp3 for better performance
   storage_type      = "gp3"
+  # Instance size
+  instance_class    = "db.t4g.medium"
 }
 
 # Set up the bucket that recieve the csv uploads of epc to be retrofit