SIENTIAPDE-1174

Update dependencies, modify replica count, and implement metrics tracking

- Updated sientia-dataops-library version from 1.3.5 to 1.3.7 in requirements.txt.
- Changed replicaCount in values.yaml from 5 to 3 and incremented image tag from 0.2.7 to 0.3.1.
- Added Prometheus metrics tracking in gates.py and worker.py, including a new write_metrics method.
- Configured Prometheus service and ServiceMonitor in values.yaml for metrics collection.

laborious/workflows/sub_workflows/format_and_export_prediction.py

@@ -95,3 +95,13 @@ class FormatAndExportPrediction():
             retry_policy=retry_policy,
             start_to_close_timeout=timedelta(seconds=60)
         )
+
+        await workflow.execute_activity_method(
+            Activities.write_metrics,
+            {
+                **metadata,
+                'prediction': prediction
+            },
+            retry_policy=retry_policy,
+            start_to_close_timeout=timedelta(seconds=60)
+        )