chore(deps): bump @testing-library/react from 10.4.3 to 11.2.5

Bumps [@testing-library/react](https://github.com/testing-library/react-testing-library) from 10.4.3 to 11.2.5.
- [Release notes](https://github.com/testing-library/react-testing-library/releases)
- [Changelog](https://github.com/testing-library/react-testing-library/blob/master/CHANGELOG.md)
- [Commits](https://github.com/testing-library/react-testing-library/compare/v10.4.3...v11.2.5)

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

plugins/api-docs/package.json

@@ -53,7 +53,7 @@
     "@backstage/dev-utils": "^0.1.12",
     "@backstage/test-utils": "^0.1.8",
     "@testing-library/jest-dom": "^5.10.1",
-    "@testing-library/react": "^10.4.1",
+    "@testing-library/react": "^11.2.5",
     "@testing-library/user-event": "^12.0.7",
     "@types/jest": "^26.0.7",
     "@types/node": "^12.0.0",