chore(deps): update dependency react-hot-loader to v4.12.6

[renovate[bot]]

This PR contains the following updates:

Package	Type	Update	Change
react-hot-loader	devDependencies	patch	4.12.5 -> 4.12.6

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Release Notes

gaearon/react-hot-loader

### [`v4.12.6`](https://togithub.com/gaearon/react-hot-loader/blob/master/CHANGELOG.md#​4126httpsgithubcomgaearonreact-hot-loadercomparev4125v4126-2019-07-10) [Compare Source](https://togithub.com/gaearon/react-hot-loader/compare/v4.12.5...v4.12.6) ##### Bug Fixes - do not update hooks while updating hooks, fixes [#​1294](https://togithub.com/gaearon/react-hot-loader/issues/1294) ([afa8ed4](https://togithub.com/gaearon/react-hot-loader/commit/afa8ed4))

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