Add quotes around new label name in label_replace (#3700)

* [COREJAVA-888] Add kube deployment label to envoy metrics aggregation

* Format

* Add missing quotes

* PR Feedback - update regex in label_replace and add comment

* Add quotes around new label name in label_replace

paasta_tools/setup_prometheus_adapter_config.py

@@ -316,7 +316,7 @@ def create_instance_active_requests_scaling_rule(
             avg(
                 paasta_instance:envoy_cluster__egress_cluster_upstream_rq_active{{{worker_filter_terms}}}
             ),
-            "kube_deployment", {deployment_name}, "", ""
+            "kube_deployment", "{deployment_name}", "", ""
         )
     """
     missing_instances = f"""