fix: Added prefix to metric name for alarm to work (#32)

modules/cis-alarms/main.tf

@@ -96,7 +96,7 @@ resource "aws_cloudwatch_log_metric_filter" "this" {
   log_group_name = lookup(each.value, "log_group_name", var.log_group_name)
 
   metric_transformation {
-    name          = each.key
+    name          = "${local.prefix}${each.key}"
     namespace     = lookup(each.value, "namespace", var.namespace)
     value         = 1
     default_value = 0