build: update dependency license-webpack-plugin to v4

[renovate]

This PR contains the following updates:

Package	Change	Age	Adoption	Passing	Confidence
license-webpack-plugin	3.0.0 -> 4.0.0

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Release Notes

xz64/license-webpack-plugin

v4.0.0

Compare Source

Fixed

• Fix TypeError: item.node is not a function errors by including webpack-sources@^3.0.0 as direct dependency.

Removed

• Remove support for webpack versions less than 5. Only webpack 5 is supported as of this version.

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Configuration

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