Add 202 status code for PrivateEndpointConnections_Delete (#23404)

Co-authored-by: Priyankar Gupta <priyagupta@microsoft.com>

specification/redisenterprise/resource-manager/Microsoft.Cache/stable/2022-01-01/examples/RedisEnterpriseDeletePrivateEndpointConnection.json

@@ -8,6 +8,12 @@
   },
   "responses": {
     "200": {},
+    "202": {
+      "headers": {
+        "Azure-AsyncOperation": "https://management.azure.com/subscriptions/subid/providers/Microsoft.Cache/...pathToOperationStatus...",
+        "Location": "https://management.azure.com/subscriptions/subid/providers/Microsoft.Cache/...pathToOperationResult..."
+      }
+    },
     "204": {}
   }
 }

specification/redisenterprise/resource-manager/Microsoft.Cache/stable/2022-01-01/redisenterprise.json

@@ -1045,6 +1045,10 @@
             "$ref": "./examples/RedisEnterpriseDeletePrivateEndpointConnection.json"
           }
         },
+        "x-ms-long-running-operation": true,
+        "x-ms-long-running-operation-options": {
+          "final-state-via": "location"
+        },
         "parameters": [
           {
             "$ref": "../../../../../common-types/resource-management/v3/types.json#/parameters/ResourceGroupNameParameter"
@@ -1066,6 +1070,19 @@
           "200": {
             "description": "OK -- Delete the private endpoint connection successfully."
           },
+          "202": {
+            "description": "Deletion of specified private endpoint connection was started. GET the URL in the Azure-AsyncOperation or Location headers to retrieve updated status.",
+            "headers": {
+              "Location": {
+                "description": "Location URI to poll for result",
+                "type": "string"
+              },
+              "Azure-AsyncOperation": {
+                "description": "URI to poll for the operation status",
+                "type": "string"
+              }
+            }
+          },
           "204": {
             "description": "No Content -- The private endpoint connection does not exist."
           },