docs: correct create_mcp_http_client default timeout docstring #2439

Job	Run time
checks / readme-snippets	15s
checks / test (3.10, locked, windows-latest)	2m 44s
checks / test (3.12, locked, windows-latest)	4m 47s
checks / pre-commit	37s
checks / test (3.12, lowest-direct, ubuntu-latest)	1m 6s
checks / test (3.10, lowest-direct, ubuntu-latest)	1m 9s
checks / test (3.12, locked, ubuntu-latest)	1m 6s
checks / test (3.10, locked, ubuntu-latest)	1m 5s
checks / test (3.13, locked, windows-latest)	3m 1s
checks / test (3.10, lowest-direct, windows-latest)	2m 32s
checks / test (3.12, lowest-direct, windows-latest)	3m 57s
checks / test (3.13, locked, ubuntu-latest)	57s
checks / test (3.14, lowest-direct, ubuntu-latest)	1m 29s
checks / test (3.11, locked, windows-latest)	2m 22s
checks / test (3.14, lowest-direct, windows-latest)	2m 14s
checks / test (3.11, lowest-direct, windows-latest)	3m 13s
checks / test (3.11, lowest-direct, ubuntu-latest)	1m 9s
checks / test (3.14, locked, windows-latest)	3m 6s
checks / test (3.14, locked, ubuntu-latest)	2m 40s
checks / test (3.11, locked, ubuntu-latest)	1m 7s
checks / test (3.13, lowest-direct, windows-latest)	2m 44s
checks / test (3.13, lowest-direct, ubuntu-latest)	1m 4s
all-green	3s
	44m 27s

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