chore(using-jest): Update jest.setup (#16615)

* Update jest.setup requires

- jest-dom moved 
testing-library/dom-testing-library#260
- cleanup-after-each is no longer required 
https://github.com/testing-library/react-testing-library/blob/master/cleanup-after-each.js

* update dependencies

Author: NerdCowboy

examples/using-jest/jest.setup.js

@@ -1,2 +1 @@
-require(`jest-dom/extend-expect`)
-require(`@testing-library/react/cleanup-after-each`)
+require(`@testing-library/jest-dom/extend-expect`)

examples/using-jest/package.json

@@ -30,12 +30,12 @@
     "test": "jest"
   },
   "devDependencies": {
-    "@testing-library/react": "^8.0.5",
+    "@testing-library/jest-dom": "^4.0.0",
+    "@testing-library/react": "^9.1.1",
     "babel-jest": "^24.0.0",
     "babel-preset-gatsby": "^0.1.6",
     "identity-obj-proxy": "^3.0.0",
-    "jest": "^24.0.0",
-    "jest-dom": "^3.0.0"
+    "jest": "^24.0.0"
   },
   "repository": {
     "type": "git",