pythonExtension and python runtime improvements #2204

Job	Run time
typecheck / typecheck	1m 29s
units / 🧪 Unit Tests	1m 25s
e2e / 🧪 CLI v3 tests (ubuntu-latest - npm)	1m 24s
e2e / 🧪 CLI v3 tests (ubuntu-latest - pnpm)	1m 26s
e2e / 🧪 CLI v3 tests (windows-latest - npm)	1m 10s
e2e / 🧪 CLI v3 tests (windows-latest - pnpm)	1m 10s
	8m 4s

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