Expandable code blocks #2157

Job	Run time
typecheck / typecheck	34s
units / 🧪 Unit Tests	32s
e2e / 🧪 CLI v3 tests (ubuntu-latest - npm)	16s
e2e / 🧪 CLI v3 tests (ubuntu-latest - pnpm)	1m 46s
e2e / 🧪 CLI v3 tests (windows-latest - npm)	48s
e2e / 🧪 CLI v3 tests (windows-latest - pnpm)	37s
	4m 33s

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