Update dependency webpack to v5.20.0

[renovate]

This PR contains the following updates:

Package	Change	Age	Adoption	Passing	Confidence
webpack	5.19.0 -> 5.20.0

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Release Notes

webpack/webpack

v5.20.0

Compare Source

Features

• add experiments.lazyCompilation.imports to disable lazy compilation of import()s
• add experiments.lazyCompilation.test to allow custom selection of modules that should be lazy compiled
• When using profile: true resp. --profile webpack will now print a summary of expensive modules or loaders

Bugfixes

• fix that experiments.lazyCompilation.client now works as intended
• fix a bug which causes runtime requirements to be missing e. g. __webpack_require__ is not defined

Developer Experience

• expose EntryObject type in typings
• remove pkg-dir dependency

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