Update dependency webpack to v4.39.0

[renovate[bot]]

This PR contains the following updates:

Package	Type	Update	Change
webpack	devDependencies	minor	4.38.0 -> 4.39.0

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Release Notes

webpack/webpack

### [`v4.39.0`](https://togithub.com/webpack/webpack/releases/v4.39.0) [Compare Source](https://togithub.com/webpack/webpack/compare/v4.38.0...v4.39.0) ### Features - Infrastructure logger for node.js has now colors + symbols to mark different kind of messages - Logger API has now a `status` method which allows to write temporary status messages - ProgressPlugin default handler uses the Infrastructure Logger status message to output messages - Placeholders in paths can now be escaped with i. e. `[\id\]` - `Compiler.hooks.assetEmitted` have been added to get byte content of emitted assets ### Bugfixes - Logging output is now aligned to have space for symbols - renamed `Compiler.hooks.infrastructurelog` to `Compiler.hooks.infrastructureLog` - Properties that are defined on the Object.prototype can now be chunk ids (i. e. `constructor`) - `library.name` now supports placeholders in `libraryTarget: "system"` - 2 places were module profiles were incorrectly captured were fixed ### Dependencies - Forced upgrade of all direct dependencies - webpack-sources + terser-webpack-plugin comes with quality optimizations for SourceMaps

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