chore: downgrade service terraform version to 5.68.0

Author: Olatokumbo

.platform/terraform/modules/service/main.tf

@@ -2,7 +2,7 @@ terraform {
   required_providers {
     aws = {
       source  = "hashicorp/aws"
-      version = "5.72.1"
+      version = "5.68.0"
     }
   }
 }