Update dependency webpack to v5.20.2

[renovate[bot]]

This PR contains the following updates:

Package	Change	Age	Adoption	Passing	Confidence
webpack	5.20.1 -> 5.20.2

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Release Notes

webpack/webpack

### [`v5.20.2`](https://togithub.com/webpack/webpack/releases/v5.20.2) [Compare Source](https://togithub.com/webpack/webpack/compare/v5.20.1...v5.20.2) ### Bugfixes - fix caching issue with asset modules causing `undefined` files - fix problem that rebuildModule doesn't follow dependencies

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