chore: tsdown dual build #6642

Job	Run time
Format check	43s
Unit tests (macos-latest)	1m 3s
Build	1m 35s
Unit tests (ubuntu-latest)	43s
E2E tests (windows-latest)	4m 19s
E2E tests (macos-latest)	13m 37s
E2E tests (ubuntu-latest)	9m 4s
Integration tests (ubuntu-latest)	1m 26s
Integration tests (macos-latest)	43s
Integration tests (windows-latest)	1m 49s
Linter	1m 34s
Unit tests (windows-latest)	1m 53s
	38m 29s

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