Guard request.start_response_timeout() #1457

Job	Run time
Shellcheck	4s
Prepare	46s
Dependency	4s
Ruff check and force	10s
Check commit	50s
Create pytest cache for Python 3.13	9s
Run pytest using Python 3.13	29s
Run mypy	9s
Process test coverage	10s
Build and publish Python 🐍 distributions 📦 to TestPyPI	27s
Process test complexity	9s
	3m 27s

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