Bump minor version, update Changelog

Changelog.md

@@ -1,4 +1,7 @@
 # Changelog
+## 2.1.0 - 2020-10-08
+  - Add support for custom http/https agent (PR [#403](https://github.com/Azure/ms-rest-js/pull/403))
+
 ## 2.0.8 - 2020-07-23
 - [BugFix] - Fixed loading of proxyPolicy.browser.js in the HTML files.(PR [#397](https://github.com/Azure/ms-rest-js/pull/397))
 

package.json

@@ -5,7 +5,7 @@
     "email": "azsdkteam@microsoft.com",
     "url": "https://github.com/Azure/ms-rest-js"
   },
-  "version": "2.0.9",
+  "version": "2.1.0",
   "description": "Isomorphic client Runtime for Typescript/node.js/browser javascript client libraries generated using AutoRest",
   "tags": [
     "isomorphic",