Update dependency webpack to v4.23.1

[renovate]

This PR contains the following updates:

Package	Type	Update	Change	References
webpack	devDependencies	minor	4.17.1 -> 4.23.1	source

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Release Notes

webpack/webpack

v4.23.1

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Bugfixes

• add space when replacing expression with constant
  • i. e. for code like return'development'===process.env.NODE_ENV&&'foo'

v4.23.0

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Features

• add watchMode flag to Compiler to be able to detect watch mode in plugins
• Prefer chunk names of entrypoints when merging chunks
• add removedFiles property to Compiler to detect removed files

Bugfixes

• publish declarations to npm
• upgrade @webassemblyjs/* for bugfix
• fix crash when using a side-effect-free wasm module in production mode

Internal changes

• test on node.js 12
• fix memory leak in test suite

v4.22.0

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Features

• Add support for evaluating && and || expressions

Bugfixes

• fix problems where order of things where not deterministic

Performance

• improve performance of chunk graph creation
  • this will improve rebuild performance in watch mode

v4.21.0

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Features

• add output.libraryTarget: "amd-require" which generates a AMD require([], ...) wrapper instead of a define([], ...) wrapper
• support arrays of strings passed to output.library, which exposes the library to a subproperty

Bugfixes

• fix cases where __webpack_require__.e is used at runtime but is not defined in the bundle
• fix behavior of externals of global type

Performance

• Some performance improvements to the chunk graph generation

v4.20.2

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Bugfixes

• keep comments in export default in concatenated modules

v4.20.1

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Bugfixes

• fix crash when using libraryTarget: "amd" without library name

v4.20.0

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Bugfixes

• update dependencies (webpack-sources, @​webassemblyjs/*)
• Handle errors thrown in renderes without crashing

Internal changes

• Extended typings
• Update internal structure of options schema to generate typings
  • Note: this exposed an issue in webpack-cli, you need to upgrade to webpack-cli@3.1.1

v4.19.1

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Bugfixes

• Internal requested filename for import() with target: "electron-main" uses correct path separator on windows
  (This fixes a problem with filemappings in vscode)
• devtool: "source-map" and variants generate SourceMaps when output file is .mjs
• browser field as object is used when using target: "electron-renderer"
• Comments near export default are preserved
• Passing an array as externals value, now works correctly as documented

v4.19.0

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Bugfixes

• Create a hash of the whole runtime code for the chunk/contenthash of entry chunks
  • Before hash was (incorrectly) calculated from (some) inputs

v4.18.1

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Bugfixes

• Update tapable version, which fixes a memory leak

v4.18.0

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Features

• Upgrade webassemblyjs dependency

v4.17.3

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Bugfixes

• Fix exit code when multiple CLIs are installed
• No longer recommend installing webpack-command, but still support it when installed

v4.17.2

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Bugfixes

• fix a spacing issue with the ProgressPlugin on some terminals
• force-upgrade webpack-sources for performance improvement (was already in semver range)

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