Update dependency react-hook-form to v7.12.0

[renovate[bot]]

This PR contains the following updates:

Package	Change	Age	Adoption	Passing	Confidence
react-hook-form (source)	7.11.1 -> 7.12.0

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Release Notes

react-hook-form/react-hook-form

### [`v7.12.0`](https://togithub.com/react-hook-form/react-hook-form/blob/master/CHANGELOG.md#​7120---2021-07-24) [Compare Source](https://togithub.com/react-hook-form/react-hook-form/compare/v7.11.1...v7.12.0)

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