Bump @testing-library/jest-dom from 5.11.4 to 5.11.9

Bumps [@testing-library/jest-dom](https://github.com/testing-library/jest-dom) from 5.11.4 to 5.11.9.
- [Release notes](https://github.com/testing-library/jest-dom/releases)
- [Changelog](https://github.com/testing-library/jest-dom/blob/main/CHANGELOG.md)
- [Commits](testing-library/jest-dom@v5.11.4...v5.11.9)

Signed-off-by: dependabot[bot] <support@github.com>

package.json

@@ -41,7 +41,7 @@
   },
   "devDependencies": {
     "@babel/plugin-proposal-class-properties": "^7.10.4",
-    "@testing-library/jest-dom": "^5.11.4",
+    "@testing-library/jest-dom": "^5.11.9",
     "@testing-library/react": "^10.4.9",
     "babel-core": "^6.26.3",
     "babel-jest": "^26.3.0",