Update link to React Testing Library docs

Created by: fjoshuajr

docusaurus/docs/running-tests.md

@@ -212,7 +212,7 @@ it('renders welcome message', () => {
 });
 ```
 
-Learn more about the utilities provided by `react-testing-library` to facilitate testing asynchronous interactions as well as selecting form elements from [the `react-testing-library` documentation](https://github.com/kentcdodds/react-testing-library) and [examples](https://codesandbox.io/s/github/kentcdodds/react-testing-library-examples).
+Learn more about the utilities provided by `react-testing-library` to facilitate testing asynchronous interactions as well as selecting form elements from [the `react-testing-library` documentation](https://testing-library.com/react) and [examples](https://codesandbox.io/s/github/kentcdodds/react-testing-library-examples).
 
 ## Using Third Party Assertion Libraries