fix(observability): improve log lines labels in grafana (#7064)

Author: dotansimha

deployment/utils/observability.ts

@@ -90,10 +90,11 @@ export class Observability {
                 user: this.config.loki.username,
                 password: this.config.loki.password,
               },
+              // Based on https://vector.dev/docs/reference/configuration/sources/kubernetes_logs/#output-types
               labels: {
                 namespace: '{{`{{ kubernetes.pod_namespace }}`}}',
-                container_name: '{{`{{ kubernetes.container_name }}`}}',
-                env: this.environment.envName,
+                pod_name: '{{`{{ kubernetes.pod_name }}`}}',
+                node: '{{`{{ kubernetes.pod_node_name }}`}}',
               },
               encoding: {
                 codec: 'text',