chore(deps): update dependency eslint-loader to v2.2.1

This MR contains the following updates:

Package	Type	Update	Change
eslint-loader	devDependencies	minor	2.0.0 -> 2.2.1

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Release Notes

webpack-contrib/eslint-loader

v2.2.1

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• Fixed: path to eslint version for cache (#​282 - @​ricardogobbosouza)

v2.2.0

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• Add ESLint 6 support by @​HDuck

v2.1.2

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• Fix autofix for eslint < 5 by @​eschablowski

v2.1.1

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• Stop autofixing infinite loop by @​eschablowski
• Allow formatter to receive string (path) to file exporting formatter function by @​Timer

v2.1.0

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• Add ESLint 5 support by @​Alex-Sokolov
• Fix not returning execution flow control to webpack when cache option is enabled and one of the files has a linting error by @​nicolaslt
• dev deps updates, prettier, eslint config ...

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