chore(examples) Update dependency @testing-library/react to v15

[renovate[bot]]

This PR contains the following updates:

Package	Change	Age	Adoption	Passing	Confidence
@testing-library/react	14.3.1 -> 15.0.2

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Release Notes

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

### [`v15.0.2`](https://togithub.com/testing-library/react-testing-library/compare/v15.0.1...c63b873072d62c858959c2a19e68f8e2cc0b11be) [Compare Source](https://togithub.com/testing-library/react-testing-library/compare/v15.0.1...v15.0.2) ### [`v15.0.1`](https://togithub.com/testing-library/react-testing-library/compare/v15.0.0...1645d21950ab8e3c6740b7e51b8a179a4c975c24) [Compare Source](https://togithub.com/testing-library/react-testing-library/compare/v15.0.0...v15.0.1) ### [`v15.0.0`](https://togithub.com/testing-library/react-testing-library/compare/v14.3.0...787cb85f8baa3d2e2a9916b7dad12c0a76d787a4) [Compare Source](https://togithub.com/testing-library/react-testing-library/compare/v14.3.1...v15.0.0)

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