chore(deps): update dependency react-app-rewired to v2.1.8

[renovate[bot]]

This PR contains the following updates:

Package	Change	Age	Adoption	Passing	Confidence
react-app-rewired	2.1.5 -> 2.1.8

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Release Notes

timarney/react-app-rewired

### [`v2.1.8`](https://togithub.com/timarney/react-app-rewired/releases/2.1.8) [Compare Source](https://togithub.com/timarney/react-app-rewired/compare/2.1.7...2.1.8) fix: support `false` values in jest config override [#​498](https://togithub.com/timarney/react-app-rewired/pull/498) ### [`v2.1.7`](https://togithub.com/timarney/react-app-rewired/releases/2.1.7) [Compare Source](https://togithub.com/timarney/react-app-rewired/compare/2.1.6...2.1.7) - Added check if overridden value is primitive value like number or boolean [#​508](https://togithub.com/timarney/react-app-rewired/pull/508) - Fix using new jsx transform in tests [#​501](https://togithub.com/timarney/react-app-rewired/pull/501) ### [`v2.1.6`](https://togithub.com/timarney/react-app-rewired/releases/2.1.6) [Compare Source](https://togithub.com/timarney/react-app-rewired/compare/2.1.5...2.1.6) Fixes path config order [#​456](https://togithub.com/timarney/react-app-rewired/pull/456)

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