Merge v4.13.0 feature branch into main (#2261)

* Prepped 4.13.0 release (#2259)

* Added v4.13.0 release date to change log

Co-authored-by: Srinaath Ravichandran <srinaath27@gmail.com>

CHANGELOG.md

@@ -5,6 +5,8 @@ The format is based on [Keep a Changelog](https://keepachangelog.com/en/1.0.0/),
 and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0.html).
 
 ## Unreleased
+
+## v4.13.0 - 2021 - 4 - 14
 ## Added
 - [client] Bumped `botframework-webchat` to v4.14.0 in PR [2275](https://github.com/microsoft/BotFramework-Emulator/pull/2275)
 

packages/app/main/package.json

@@ -1,7 +1,7 @@
 {
   "name": "@bfemulator/main",
   "packagename": "BotFramework-Emulator",
-  "version": "4.12.0",
+  "version": "4.13.0",
   "private": true,
   "description": "Development tool for the Microsoft Bot Framework. Allows developers to test and debug bots on localhost.",
   "main": "./app/server/main.js",