pythonExtension and python runtime improvements #2184

Job	Run time
typecheck / typecheck	4m 12s
units / 🧪 Unit Tests	3m 6s
e2e / 🧪 CLI v3 tests (ubuntu-latest - npm)	2m 5s
e2e / 🧪 CLI v3 tests (ubuntu-latest - pnpm)	1m 57s
e2e / 🧪 CLI v3 tests (windows-latest - npm)	4m 5s
e2e / 🧪 CLI v3 tests (windows-latest - pnpm)	5m 45s
	21m 10s

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