feat: unify CLI execution and never spawn a shell #2717

Job	Run time
Chromatic	37s
Unit Test (Linux, Electron latest)	59s
Package	33s
Lint	1m 13s
Unit Test (macOS, Electron latest)	1m 27s
Integration Test (macOS, VS Code stable)	1m 17s
Integration Test (Linux, VS Code 1.106.0)	39s
Integration Test (Windows, VS Code stable)	1m 36s
Unit Test (Linux, Electron 37)	1m 3s
Integration Test (Linux, VS Code stable)	53s
Unit Test (Windows, Electron latest)	2m 7s
	12m 24s

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