Bump copy-webpack-plugin from 6.0.2 to 6.0.3 (#14633)

Bump copy-webpack-plugin from 6.0.2 to 6.0.3 (#14633)

Bumps [copy-webpack-plugin](https://github.com/webpack-contrib/copy-webpack-plugin) from 6.0.2 to 6.0.3.
- [Release notes](https://github.com/webpack-contrib/copy-webpack-plugin/releases)
- [Changelog](https://github.com/webpack-contrib/copy-webpack-plugin/blob/master/CHANGELOG.md)
- [Commits](https://github.com/webpack-contrib/copy-webpack-plugin/compare/v6.0.2...v6.0.3)

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