build(deps): Update dependency @testing-library/dom to ^10.3.0

[renovate[bot]]

This PR contains the following updates:

Package	Change	Age	Adoption	Passing	Confidence
@testing-library/dom	^10.1.0 -> ^10.3.0

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Release Notes

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

### [`v10.3.0`](https://togithub.com/testing-library/dom-testing-library/compare/v10.2.0...76cb73dec444fca7ae3d160b4dad3b61f7bc8995) [Compare Source](https://togithub.com/testing-library/dom-testing-library/compare/v10.2.0...v10.3.0) ### [`v10.2.0`](https://togithub.com/testing-library/dom-testing-library/releases/tag/v10.2.0) [Compare Source](https://togithub.com/testing-library/dom-testing-library/compare/v10.1.0...v10.2.0) ##### Features - Support anonymous custom elements when pretty printing DOM ([#​1319](https://togithub.com/testing-library/dom-testing-library/issues/1319)) ([0a8ad65](https://togithub.com/testing-library/dom-testing-library/commit/0a8ad65723efe47493d387c38f31082c7846d824))

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Configuration

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[coveralls]

Pull Request Test Coverage Report for Build 9762024801

Details

• 0 of 0 changed or added relevant lines in 0 files are covered.
• No unchanged relevant lines lost coverage.
• Overall first build on renovate/testing-library-dom-10.x at 96.474%

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Totals
Change from base Build 9761994875:	96.5%
Covered Lines:	4712
Relevant Lines:	4816

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💛 - Coveralls