Update dependency copy-webpack-plugin to v9.1.0

[renovate[bot]]

This PR contains the following updates:

Package	Change	Age	Adoption	Passing	Confidence
copy-webpack-plugin	9.0.1 -> 9.1.0

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Release Notes

webpack-contrib/copy-webpack-plugin

### [`v9.1.0`](https://togithub.com/webpack-contrib/copy-webpack-plugin/blob/master/CHANGELOG.md#​910-httpsgithubcomwebpack-contribcopy-webpack-plugincomparev901v910-2021-11-11) [Compare Source](https://togithub.com/webpack-contrib/copy-webpack-plugin/compare/v9.0.1...v9.1.0) ##### Features - output helpful descriptions and links on errors ([#​625](https://togithub.com/webpack-contrib/copy-webpack-plugin/issues/625)) ([396bed6](https://togithub.com/webpack-contrib/copy-webpack-plugin/commit/396bed6a8ad12cea344e988fefb9a554bb9c7b1a)) ##### Bug Fixes - compatibility with Node.js 17 ([20af0c7](https://togithub.com/webpack-contrib/copy-webpack-plugin/commit/20af0c7f1b06a7e597e6b498dbc2b432a4a6d0de)) ##### [9.0.1](https://togithub.com/webpack-contrib/copy-webpack-plugin/compare/v9.0.0...v9.0.1) (2021-06-25) ##### Chore - update `serialize-javascript`

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Configuration

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