build: migrate from npm to pnpm #7816

Job	Run time
Build	13s
Integration tests (windows-latest)	40s
Unit tests (windows-latest)	27s
E2E tests (windows-latest)	39s
E2E tests (macos-latest)	13s
Unit tests (macos-latest)	11s
Integration tests (macos-latest)	12s
Linter	10s
E2E tests (ubuntu-latest)	9s
Unit tests (ubuntu-latest)	13s
Integration tests (ubuntu-latest)	12s
Format check	12s
	3m 31s

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