Raise prometheus-static metric validation retry budget for AMP ingestion lag (#1844)

Author: TravisStark

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

@@ -38,7 +38,8 @@
 
 @Log4j2
 public class PrometheusStaticMetricValidator implements IValidator {
-  private static final int MAX_RETRY_COUNT = 30;
+  // ~10s per retry; higher budget absorbs AMP ingestion lag on slow runners.
+  private static final int MAX_RETRY_COUNT = 45;
 
   private final MustacheHelper mustacheHelper = new MustacheHelper();
   private Context context;