Merge pull request #1714 from finos/mui5

Migrate to MUI 5

Author: kriswest

CHANGELOG.md

@@ -28,6 +28,7 @@ The format is based on [Keep a Changelog](https://keepachangelog.com/en/1.0.0/).
 * Enhanced method binding for FDC3 API objects to support destructuring. All public methods of `Channel`, `PrivateChannel`, and `IntentResolution` objects are now properly bound to their instances using `.bind(this)` in their constructors. ([#1645](https://github.com/finos/FDC3/issues/1645))
 * Changed fdc3-web-impl to not deliver broadcast messages back to the sending application, as recommended (SHOULD) in the Standard. [#1749](https://github.com/finos/FDC3/pull/1749)
 * Removed version number prefix from conformance test names and implementation to simplify future maintenance. ([#1726](https://github.com/finos/FDC3/pull/1726))
+ * Updated workbench from MUI 4 to MUI 5 ([#1714](https://github.com/finos/FDC3/pull/1714))
 
 ### Deprecated