Prep for release: version and changelog update (#14533)

* Update Version

* Update change  log

Author: karthiknadig

CHANGELOG.md

@@ -1,10 +1,12 @@
 # Changelog
 
-## 2020.10.0-rc (14 October 2020)
+## 2020.10.0 (27 October 2020)
 
 ### Enhancements
 
-1. `debugpy` updated to stable version.
+1. `debugpy` updated to latest stable version.
+1. Make data viewer openable from the variables window context menu while debugging.
+   ([#14406](https://github.com/Microsoft/vscode-python/issues/14406))
 1. Do not opt users out of the insiders program if they have a stable version installed.
    ([#14090](https://github.com/Microsoft/vscode-python/issues/14090))
 

news/1 Enhancements/14406.md

@@ -2,7 +2,7 @@
     "name": "python",
     "displayName": "Python",
     "description": "Linting, Debugging (multi-threaded, remote), Intellisense, Jupyter Notebooks, code formatting, refactoring, unit tests, snippets, and more.",
-    "version": "2020.10.0-rc",
+    "version": "2020.10.0",
     "featureFlags": {
         "usingNewInterpreterStorage": true
     },