feat(k8s): add OpenTelemetry exporter endpoint to deploy.yaml

Add the OTEL_EXPORTER_OTLP_ENDPOINT environment variable to 
the deployment configuration. This change enables the application 
to send telemetry data to the specified OpenTelemetry collector 
endpoint for better monitoring and observability.

k8s/deploy.yaml

@@ -56,6 +56,9 @@ spec:
         ports:
         - name: api
           containerPort: 8080
+        env:
+        - name: OTEL_EXPORTER_OTLP_ENDPOINT
+          value: http://k8s-monitoring-alloy-receiver.monitoring.svc.cluster.local:4318
         envFrom:
         - configMapRef:
             name: schemas