Updated react-scripts to v5

refs https://github.com/TryGhost/Toolbox/issues/400

- this fixes various build issues when it's moved into the Ghost
  monorepo

ghost/sodo-search/package.json

@@ -25,7 +25,7 @@
     "flexsearch": "0.7.21",
     "react": "17.0.2",
     "react-dom": "17.0.2",
-    "react-scripts": "4.0.3"
+    "react-scripts": "5.0.1"
   },
   "scripts": {
     "start": "BROWSER=none react-scripts start",

ghost/sodo-search/src/App.test.js

@@ -6,6 +6,7 @@ test('renders Sodo Search app component', () => {
     window.location.hash = '#/search';
     render(<App adminUrl="http://localhost" apiKey="69010382388f9de5869ad6e558" />);
     // const containerElement = screen.getElementsByClassName('gh-portal-popup-container');
+    // eslint-disable-next-line testing-library/no-node-access
     const containerElement = document.querySelector('.gh-root-frame');
     expect(containerElement).toBeInTheDocument();
 });