chore: Update to the new version of brand-openedx in the new scope.

Part of openedx/axim-engineering#23

This updates the `@edx/brand` alias to point to the `brand-openedx` package at
the `openedx` scope. This does not impact imports because this package is used
via an alias.

package.json

@@ -27,7 +27,7 @@
   },
   "dependencies": {
     "@cospired/i18n-iso-languages": "4.0.0",
-    "@edx/brand": "npm:@edx/brand-openedx@^1.1.0",
+    "@edx/brand": "npm:@openedx/brand-openedx@^1.2.2",
     "@edx/frontend-component-footer": "^12.2.1",
     "@edx/frontend-component-header": "^4.6.0",
     "@edx/frontend-platform": "^5.5.4",