Update dependency @testing-library/dom to v8.18.1

[renovate[bot]]

This PR contains the following updates:

Package	Change	Age	Adoption	Passing	Confidence
@testing-library/dom	8.18.0 -> 8.18.1

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Release Notes

testing-library/dom-testing-library

### [`v8.18.1`](https://togithub.com/testing-library/dom-testing-library/releases/tag/v8.18.1) [Compare Source](https://togithub.com/testing-library/dom-testing-library/compare/v8.18.0...v8.18.1) ##### Bug Fixes - Pin supported target environment ([#​1170](https://togithub.com/testing-library/dom-testing-library/issues/1170)) ([a9a8cf2](https://togithub.com/testing-library/dom-testing-library/commit/a9a8cf26992ff0f6b4257b7300939f461d04440d))

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Configuration

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