fix: Bump testing-library/dom to v8 alpha

[eps1lon]

BREAKING CHANGE: Bumps @testing-library/dom to 8.0.0-alpha.3.

For a comprehensive list of breaking changes see the individual releases:

• https://github.com/testing-library/dom-testing-library/releases/tag/v8.0.0-alpha.1
• https://github.com/testing-library/dom-testing-library/releases/tag/v8.0.0-alpha.2
• https://github.com/testing-library/dom-testing-library/releases/tag/v8.0.0-alpha.3

What:

Why:

To propagate all the fixes/features from @testing-library/dom

How:

Bump @testing-library/dom to 8.0.0-alpha.3. The stable release of /react@12.x will use the stable release of /dom@8.x

Checklist:

• [ ] Documentation added to the
  docs site
• [ ] Tests
• [ ] Typescript definitions updated
• Ready to be merged
  

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[codecov]

Codecov Report

❗ No coverage uploaded for pull request base (alpha@875ee5b). Click here to learn what that means.
The diff coverage is n/a.

@@            Coverage Diff            @@
##             alpha      #923   +/-   ##
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  Files            ?         4           
  Lines            ?       140           
  Branches         ?        28           
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  Hits             ?       140           
  Misses           ?         0           
  Partials         ?         0           

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[eps1lon]

Merging since it's targetting an alpha branch and not changing anything that wasn't discussed in the dom-testing-library changes.

[github-actions]

🎉 This PR is included in version 11.2.8-alpha.1 🎉

The release is available on:

• npm package (@alpha dist-tag)
• GitHub release

Your semantic-release bot 📦🚀

[github-actions]

🎉 This PR is included in version 12.0.0 🎉

The release is available on:

• npm package (@latest dist-tag)
• GitHub release

Your semantic-release bot 📦🚀