add cleanup starting log

dist/index.js

@@ -1368,6 +1368,7 @@ class AWSBuildEnvironment {
     }
     static cleanupResources(CF, taskDef) {
         return __awaiter(this, void 0, void 0, function* () {
+            core.info('Cleanup starting');
             yield CF.deleteStack({
                 StackName: taskDef.taskDefStackName,
             }).promise();

src/model/remote-builder/aws-build-platform.ts

@@ -225,6 +225,7 @@ class AWSBuildEnvironment {
   }
 
   static async cleanupResources(CF: SDK.CloudFormation, taskDef: RemoteBuilderTaskDef) {
+    core.info('Cleanup starting');
     await CF.deleteStack({
       StackName: taskDef.taskDefStackName,
     }).promise();