Update dependency webpack to v4.41.0

[renovate]

This PR contains the following updates:

Package	Type	Update	Change
webpack	devDependencies	minor	4.40.2 -> 4.41.0

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Release Notes

webpack/webpack

v4.41.0

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Developer Experience

• disallow cache group named test with shorthand syntax to point out a potential config error

Performance

• Improve performance of LimitChunkCountPlugin

v4.40.3

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Bugfixes

• fix a bug that the HMR plugin affected child compilations

Performance

• improve performance of splitChunks name option by caching hashed value
• improve rebuild performance by caching module size computation

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