Update dependency @testing-library/react to v16

[renovate]

This PR contains the following updates:

Package	Change	Age	Confidence
@testing-library/react	15 -> 16

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Release Notes

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

v16.3.0

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Features

• add bernardobelchior as a contributor for code, and doc (#​1391) (9fc6a75)

v16.2.0

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Features

• Add support for React error handlers (#​1354) (9618c51)

v16.1.0

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Features

• Add support for React 19 (#​1367) (85ac253)

v16.0.1

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Bug Fixes

• Add support for exactOptionalPropertyTypes in TypeScript (#​1351) (3dcd8a9)

v16.0.0

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Features

• Move @testing-library/dom and @types/react-dom to peer dependencies (#​1305) (a4744fa)

BREAKING CHANGES

• @testing-library/dom was moved to a peer dependency and needs to be explicitly installed. This reduces the chance of having conflicting versions of @testing-library/dom installed that frequently caused bugs when used with @testing-library/user-event. We will also be able to allow new versions of @testing-library/dom being used without a SemVer major release of @testing-library/react by just widening the peer dependency.
  @types/react-dom needs to be installed if you're typechecking files using @testing-library/react.

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