deps: Improve Webpack build performance

[SuaYoo]

Context

Related to #2266, changes in Webpack only to improve build and rebuild performance.

Production build benchmark tests running hyperfine --show-output --shell zsh --warmup 3 'yarn build':

webpack version	webpack-cli version	Parallelized?	Time	Range
5.88.0	4.8.0	No	16.962 s ± 0.983 s	15.796 s … 19.364 s
5.97.1	5.1.4	No	15.559 s ± 0.159 s	15.082 s ± 0.207 s
5.97.1	5.1.4	Yes	15.559 s ± 0.159 s	14.712 s … 15.500 s

It's not a huge difference, but it seems like a good start to tweak thread-loader further.

Dev rebuild tests--this is a lot less methodical, I just ran yarn start and saved the index.ts file a few times.

webpack version	webpack-cli version	devtool	DLL?	Parallelized?	Range
5.88.0	4.8.0	eval-cheap-source-map	No	No	1500-1600 ms
5.97.1	5.1.4	eval	No	No	1100-1300 ms
5.97.1	5.1.4	eval	Yes	No	500-530 ms
5.97.1	5.1.4	eval	Yes	No	450-480 ms

The most significant impact is implementing DllPlugin for the lit dependency. Interestingly, enabling DllPlugin in the production build slowed it down.

Changes

• Upgrades webpack and webpack tool versions
• Updates dev source map to webpack recommendation
• Implements webpack.DllPlugin in dev for faster rebuilds
• Implements thread-loader to run ts-loader in a worker pool

etc

Generated locales might be a good candidate for DllPlugin, if we generated a file for each locale.

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Package	New capabilities	Transitives	Size	Publisher
npm/@jsonjoy.com/[email protected]	None	0	54.3 kB	streamich
npm/@jsonjoy.com/[email protected]	None	+1	757 kB	streamich
npm/@types/[email protected]	None	0	5.57 kB	types
npm/@types/[email protected]	None	0	4.86 kB	types
npm/@types/[email protected]	None	0	6.27 kB	types
npm/@types/[email protected]	None	0	63.1 kB	types
npm/@types/[email protected]	None	0	7.91 kB	types
npm/@types/[email protected]	None	+1	13.6 kB	types
npm/@types/[email protected]	None	0	4.71 kB	types
npm/@types/[email protected]	None	0	5.35 kB	types
npm/@webassemblyjs/[email protected]	None	0	207 kB	xtuc
npm/@webassemblyjs/[email protected]	None	0	6.37 kB	xtuc
npm/@webassemblyjs/[email protected]	None	0	11.3 kB	xtuc
npm/@webassemblyjs/[email protected]	None	0	10.8 kB	xtuc
npm/@webassemblyjs/[email protected]	None	0	10.5 kB	xtuc
npm/@webassemblyjs/[email protected]	None	0	34.2 kB	xtuc
npm/@webassemblyjs/[email protected]	None	0	19.7 kB	xtuc
npm/@webassemblyjs/[email protected]	None	0	5.34 kB	xtuc
npm/@webassemblyjs/[email protected]	None	0	48.5 kB	xtuc
npm/@webassemblyjs/[email protected]	None	0	12.3 kB	xtuc
npm/@webassemblyjs/[email protected]	None	+1	172 kB	xtuc
npm/@webassemblyjs/[email protected]	None	0	28.1 kB	xtuc
npm/@webassemblyjs/[email protected]	None	0	14.4 kB	xtuc
npm/@webassemblyjs/[email protected]	None	0	39.6 kB	xtuc
npm/@webpack-cli/[email protected]	None	0	4.55 kB	evilebottnawi
npm/@webpack-cli/[email protected]	None	0	3.72 kB	evilebottnawi
npm/@webpack-cli/[email protected]	environment	0	11.6 kB	evilebottnawi
npm/[email protected]	network	+1	74.9 kB	ulisesgascon
npm/[email protected]	None	0	66.6 kB	mdidon
npm/[email protected]	None	0	3.15 kB	sindresorhus
npm/[email protected]	None	0	0 B
npm/[email protected]	None	+1	57.8 kB	ljharb
npm/[email protected]	None	0	23.3 kB	blakeembrey
npm/[email protected]	None	0	3.02 kB	sindresorhus
npm/[email protected]	None	0	5.82 kB	sindresorhus
npm/[email protected]	None	0	4.42 kB	sindresorhus
npm/[email protected]	None	0	13 kB	ljharb
npm/[email protected]	environment, eval, filesystem, shell	0	162 kB	tabrindle
npm/[email protected]	None	0	10.2 kB	ljharb
npm/[email protected]	None	0	12.3 kB	ljharb
npm/[email protected]	None	0	9.17 kB	ljharb
npm/[email protected]	environment, filesystem, network	+4	266 kB	jonchurch
npm/[email protected]	environment	+1	23.3 kB	wesleytodd
npm/[email protected]	None	0	26.6 kB	timoxley
npm/[email protected]	None	0	10.8 kB	ljharb
npm/[email protected]	None	0	861 kB	streamich
npm/[email protected]	None	0	21.5 kB	phated
npm/[email protected]	None	0	62.3 kB	whitequark
npm/[email protected]	None	+1	6.63 kB	sindresorhus
npm/[email protected]	None	0	4.54 kB	sindresorhus
npm/[email protected]	None	0	6.7 kB	zkat
npm/[email protected]	environment, filesystem, shell	0	17.1 kB	soda
npm/[email protected]	None	0	17.3 kB	ljharb
npm/[email protected]	None	0	5.08 kB	sindresorhus

🚮 Removed packages: npm/@types/[email protected], npm/@types/[email protected], npm/@types/[email protected], npm/@types/[email protected], npm/@types/[email protected], npm/@types/[email protected], npm/@webassemblyjs/[email protected], npm/@webassemblyjs/[email protected], npm/@webassemblyjs/[email protected], npm/@webassemblyjs/[email protected], npm/@webassemblyjs/[email protected], npm/@webassemblyjs/[email protected], npm/@webassemblyjs/[email protected], npm/@webassemblyjs/[email protected], npm/@webassemblyjs/[email protected], npm/@webassemblyjs/[email protected], npm/@webassemblyjs/[email protected], npm/@webassemblyjs/[email protected], npm/@webassemblyjs/[email protected], npm/@webassemblyjs/[email protected], npm/@webpack-cli/[email protected], npm/@webpack-cli/[email protected], npm/@webpack-cli/[email protected], npm/[email protected], npm/[email protected], npm/[email protected], npm/[email protected], npm/[email protected], npm/[email protected], npm/[email protected], npm/[email protected], npm/[email protected], npm/[email protected], npm/[email protected], npm/[email protected], npm/[email protected], npm/[email protected], npm/[email protected], npm/[email protected], npm/[email protected], npm/[email protected], npm/[email protected], npm/[email protected], npm/[email protected], npm/[email protected], npm/[email protected], npm/[email protected], npm/[email protected], npm/[email protected], npm/[email protected], npm/[email protected], npm/[email protected], npm/[email protected], npm/[email protected], npm/[email protected], npm/[email protected], npm/[email protected], npm/[email protected]

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