chore(deps): update dependency webpack to v5

[renovate]

This PR contains the following updates:

Package	Type	Update	Change
webpack	devDependencies	major	^4.44.2 -> ^5.1.0

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Release Notes

webpack/webpack

v5.1.0

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Features

• expose webpack property from Compiler
• expose cleverMerge, EntryOptionPlugin, DynamicEntryPlugin

Bugfixes

• missing require("..").xxx in try-catch produces a warning instead of an error now
• handle reexports in concatenated modules correctly when they are side-effect-free
• fix incorrect deprecation message for ModuleTemplate.hooks.hash

v5.0.0

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Announcement and changelog

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