Update dependency webpack to v4.39.1

[renovate[bot]]

This PR contains the following updates:

Package	Type	Update	Change
webpack	devDependencies	patch	4.39.0 -> 4.39.1

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Release Notes

webpack/webpack

### [`v4.39.1`](https://togithub.com/webpack/webpack/releases/v4.39.1) [Compare Source](https://togithub.com/webpack/webpack/compare/v4.39.0...v4.39.1) ### Bugfixes - fix problem that progress lines were too long on some terminals - fix a problem that `...100%` is displayed instead of `100%`

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