Update dependency webpack to v4.28.3

[renovate[bot]]

This PR contains the following updates:

Package	Type	Update	Change	References
webpack	devDependencies	patch	4.28.2 -> 4.28.3	source

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Release Notes

webpack/webpack

### [`v4.28.3`](https://renovatebot.com/gh/webpack/webpack/releases/v4.28.3) [Compare Source](https://renovatebot.com/gh/webpack/webpack/compare/v4.28.2...v4.28.3) ### Bugfixes - ProfilingPlugin creates the output folder if necessary

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