build: update webpack to version 4.39.3

[renovate-bot]

This PR contains the following updates:

Package	Type	Update	Change
webpack	devDependencies	patch	4.39.2 -> 4.39.3
webpack	dependencies	patch	4.39.2 -> 4.39.3

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Release Notes

webpack/webpack

v4.39.3

Compare Source

Bugfixes

• fix a missing module in chunk caused by incorrect chunk graph generation of async chunks

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