Update dependency @testing-library/jest-dom to v5.15.0

[renovate[bot]]

This PR contains the following updates:

Package	Change	Age	Adoption	Passing	Confidence
@testing-library/jest-dom	5.14.1 -> 5.15.0

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Release Notes

testing-library/jest-dom

### [`v5.15.0`](https://togithub.com/testing-library/jest-dom/releases/v5.15.0) [Compare Source](https://togithub.com/testing-library/jest-dom/compare/v5.14.1...v5.15.0) ##### Features - import parse directly from css ([#​415](https://togithub.com/testing-library/jest-dom/issues/415)) ([4cb606c](https://togithub.com/testing-library/jest-dom/commit/4cb606cc591345a2f44240d7e74740b26fa9fa85))

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