fix: Add trailing comma to EventType enum for better compatibility

Author: kaxuna

dumper/app/src/main/java/com/google/edwmigration/dumper/application/dumper/metrics/DumperRunMetrics.java

@@ -27,6 +27,8 @@ public class DumperRunMetrics implements TelemetryPayload {
   @JsonProperty private String id;
 
   @JsonProperty private ZonedDateTime measureStartTime;
+  
+  @JsonProperty private EventType eventType = EventType.DUMPER_RUN_METRICS;
 
   @JsonProperty private Long runDurationInMinutes;
 

dumper/app/src/main/java/com/google/edwmigration/dumper/application/dumper/metrics/EventType.java

@@ -17,5 +17,6 @@
 package com.google.edwmigration.dumper.application.dumper.metrics;
 
 public enum EventType {
-  DUMPER_RUN_METRICS
+  DUMPER_RUN_METRICS,
+  TASK_RUN_METRICS,
 }