fix: Update to deploy to the openedx scope.

Update the package.json and README.md to publish this package to the
`openedx` npm scope.

README.md

@@ -1,12 +1,5 @@
 # Paragon
 
-## Warning: Package Moved
-
-While the Paragon design system will continue to receive updates, these updates
-will no longer be published at the @edx/paragon NPM package. Instead, the
-latest versions can be found with
-[@openedx/paragon](https://www.npmjs.com/package/@openedx/paragon) instead.
-
 [![Build Status](https://github.com/openedx/paragon/actions/workflows/release.yml/badge.svg)](https://github.com/openedx/paragon/actions/workflows/release.yml)
 [![npm_version](https://img.shields.io/npm/v/@edx/paragon.svg)](@edx/paragon)
 ![status](https://img.shields.io/badge/status-Maintained-brightgreen)

package.json

@@ -1,5 +1,5 @@
 {
-  "name": "@edx/paragon",
+  "name": "@openedx/paragon",
   "version": "20.18.1",
   "description": "Accessible, responsive UI component library based on Bootstrap.",
   "main": "dist/index.js",