Increment package version after release of azure-core-http (Azure#12323)

Author: azure-sdk

sdk/core/core-http/CHANGELOG.md

@@ -1,5 +1,8 @@
 # Release History
 
+## 1.2.1 (Unreleased)
+
+
 ## 1.2.0 (2020-11-05)
 
 - Explicitly set `manual` redirect handling for node fetch. And fixing redirectPipeline [PR 11863](https://github.com/Azure/azure-sdk-for-js/pull/11863)

sdk/core/core-http/package.json

@@ -2,7 +2,7 @@
   "name": "@azure/core-http",
   "sdk-type": "client",
   "author": "Microsoft Corporation",
-  "version": "1.2.0",
+  "version": "1.2.1",
   "description": "Isomorphic client Runtime for Typescript/node.js/browser javascript client libraries generated using AutoRest",
   "tags": [
     "isomorphic",

sdk/core/core-http/src/util/constants.ts

@@ -7,7 +7,7 @@ export const Constants = {
    * @const
    * @type {string}
    */
-  coreHttpVersion: "1.2.0",
+  coreHttpVersion: "1.2.1",
 
   /**
    * Specifies HTTP.