chore(deps): update testing-library monorepo

Author: renovate[bot]

package.json

@@ -73,8 +73,8 @@
     "@edx/browserslist-config": "^1.3.0",
     "@edx/reactifex": "^2.1.1",
     "@openedx/frontend-build": "14.2.2",
-    "@testing-library/jest-dom": "^5.14.1",
-    "@testing-library/react": "^12.1.0",
+    "@testing-library/jest-dom": "^6.0.0",
+    "@testing-library/react": "^16.0.0",
     "copy-webpack-plugin": "^12.0.0",
     "husky": "^9.0.0",
     "identity-obj-proxy": "^3.0.0",