fix(package.json): Update dependency elm-hot-webpack-loader to v1.1.8

[renovate[bot]]

This PR contains the following updates:

Package	Change	Age	Adoption	Passing	Confidence
elm-hot-webpack-loader	1.1.7 -> 1.1.8

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Release Notes

klazuka/elm-hot-webpack-loader (elm-hot-webpack-loader)

### [`v1.1.8`](https://togithub.com/klazuka/elm-hot-webpack-loader/compare/v1.1.7...v1.1.8) [Compare Source](https://togithub.com/klazuka/elm-hot-webpack-loader/compare/v1.1.7...v1.1.8)

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Configuration

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