Increase metric validation wait time to ~15 minutes

Author: harrryr

validator/src/main/java/com/amazon/aoc/validators/CWMetricValidator.java

@@ -40,7 +40,7 @@
 
 @Log4j2
 public class CWMetricValidator implements IValidator {
-  private static int DEFAULT_MAX_RETRY_COUNT = 30;
+  private static int DEFAULT_MAX_RETRY_COUNT = 80;
 
   private MustacheHelper mustacheHelper = new MustacheHelper();
   private ICaller caller;