Increment package version after release of azure-service-bus (Azure#9372)

Author: azure-sdk

sdk/servicebus/service-bus/CHANGELOG.md

@@ -1,5 +1,8 @@
 # Release History
 
+## 7.0.0-preview.4 (Unreleased)
+
+
 ## 7.0.0-preview.3 (2020-06-08)
 
 - Improves the performance of the `ServiceBusMessageBatch.tryAdd` method.

sdk/servicebus/service-bus/package.json

@@ -2,7 +2,7 @@
   "name": "@azure/service-bus",
   "sdk-type": "client",
   "author": "Microsoft Corporation",
-  "version": "7.0.0-preview.3",
+  "version": "7.0.0-preview.4",
   "license": "MIT",
   "description": "Azure Service Bus SDK for Node.js",
   "homepage": "https://github.com/Azure/azure-sdk-for-js/tree/master/sdk/servicebus/service-bus",

sdk/servicebus/service-bus/src/util/constants.ts

@@ -7,7 +7,7 @@
  */
 export const packageJsonInfo = {
   name: "@azure/service-bus",
-  version: "7.0.0-preview.3"
+  version: "7.0.0-preview.4"
 };
 
 /**