fix: spot termination watcher output multi runner

Author: npalm

modules/multi-runner/outputs.tf

@@ -59,3 +59,11 @@ output "instance_termination_watcher" {
     lambda_role      = module.instance_termination_watcher[0].lambda.role
   } : null
 }
+
+output "instance_termination_handler" {
+  value = var.instance_termination_watcher.enable && var.instance_termination_watcher.features.enable_spot_termination_handler ? {
+    lambda           = module.instance_termination_watcher[0].spot_termination_handler.lambda
+    lambda_log_group = module.instance_termination_watcher[0].spot_termination_handler.lambda_log_group
+    lambda_role      = module.instance_termination_watcher[0].spot_termination_handler.lambda_role
+  } : null
+}