Update Monitors_Delete_MinimumSet_Gen.json (Azure#23584)

Adding "userEmail" parameter in Monitors_Delete_MinimumSet_Gen.json

Author: vipray-ms

specification/newrelic/resource-manager/NewRelic.Observability/preview/2022-07-01-preview/examples/Monitors_Delete_MinimumSet_Gen.json

@@ -5,7 +5,8 @@
     "api-version": "2022-07-01-preview",
     "subscriptionId": "ddqonpqwjr",
     "resourceGroupName": "rgopenapi",
-    "monitorName": "ipxmlcbonyxtolzejcjshkmlron"
+    "monitorName": "ipxmlcbonyxtolzejcjshkmlron",
+    "userEmail": "ruxvg@xqkmdhrnoo.hlmbpm"
   },
   "responses": {
     "200": {},