chore(examples): update dependency @testing-library/react to v14.2.1

[renovate[bot]]

This PR contains the following updates:

Package	Change	Age	Adoption	Passing	Confidence
@testing-library/react	14.1.2 -> 14.2.1

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Release Notes

testing-library/react-testing-library (@​testing-library/react)

### [`v14.2.1`](https://togithub.com/testing-library/react-testing-library/releases/tag/v14.2.1) [Compare Source](https://togithub.com/testing-library/react-testing-library/compare/v14.2.0...v14.2.1) ##### Bug Fixes - Update types to support all possible react component return values ([#​1272](https://togithub.com/testing-library/react-testing-library/issues/1272)) ([55e79c2](https://togithub.com/testing-library/react-testing-library/commit/55e79c290d3ec8a8eb3d39539e2c05bf35dff3d9)) ### [`v14.2.0`](https://togithub.com/testing-library/react-testing-library/releases/tag/v14.2.0) [Compare Source](https://togithub.com/testing-library/react-testing-library/compare/v14.1.2...v14.2.0) ##### Features - add `reactStrictMode` option to enable strict mode render ([#​1241](https://togithub.com/testing-library/react-testing-library/issues/1241)) ([0880eba](https://togithub.com/testing-library/react-testing-library/commit/0880eba4a01c030f942ad93600081bbb86eac959))

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