fix metric reporter not producing metrics (airbytehq#17863)

* init metric client before fetching it

* move init to Application

* semi-colon

* remove double query

airbyte-metrics/reporter/src/main/java/io/airbyte/metrics/reporter/Application.java

@@ -4,6 +4,8 @@
 
 package io.airbyte.metrics.reporter;
 
+import io.airbyte.metrics.lib.MetricClientFactory;
+import io.airbyte.metrics.lib.MetricEmittingApps;
 import io.micronaut.runtime.Micronaut;
 
 /**
@@ -14,6 +16,7 @@
 public class Application {
 
   public static void main(final String[] args) {
+    MetricClientFactory.initialize(MetricEmittingApps.METRICS_REPORTER);
     Micronaut.run(Application.class, args);
   }
 

airbyte-metrics/reporter/src/main/java/io/airbyte/metrics/reporter/MetricRepository.java

@@ -146,8 +146,9 @@ SELECT status, extract(epoch from age(updated_at, created_at)) AS sec FROM jobs
                       WHERE updated_at >= NOW() - INTERVAL '1 HOUR'
                         AND (jobs.status = 'failed' OR jobs.status = 'succeeded' OR jobs.status = 'cancelled');
                       """;
-    final var statuses = ctx.fetch(query).getValues("status", JobStatus.class);
-    final var times = ctx.fetch(query).getValues("sec", double.class);
+    final var queryResults = ctx.fetch(query);
+    final var statuses = queryResults.getValues("status", JobStatus.class);
+    final var times = queryResults.getValues("sec", double.class);
 
     final var results = new HashMap<JobStatus, Double>();
     for (int i = 0; i < statuses.size(); i++) {