Fix docs/release follow-ups from the mcp-types package split #3037

Job	Run time
checks / pre-commit	36s
checks / test (3.11, lowest-direct, windows-latest)	1m 35s
checks / test (3.14, locked, ubuntu-latest)	2m 6s
checks / test (3.12, locked, ubuntu-latest)	1m 4s
checks / test (3.13, lowest-direct, windows-latest)	1m 49s
checks / test (3.12, lowest-direct, windows-latest)	1m 41s
checks / test (3.14, lowest-direct, ubuntu-latest)	56s
checks / test (3.14, locked, windows-latest)	2m 18s
checks / test (3.10, locked, ubuntu-latest)	1m 4s
checks / readme-snippets	11s
checks / test (3.10, lowest-direct, windows-latest)	1m 40s
checks / test (3.12, locked, windows-latest)	1m 10s
checks / test (3.11, lowest-direct, ubuntu-latest)	1m 5s
checks / test (3.10, locked, windows-latest)	1m 32s
checks / test (3.13, locked, ubuntu-latest)	1m 0s
checks / test (3.10, lowest-direct, ubuntu-latest)	1m 9s
checks / test (3.14, lowest-direct, windows-latest)	1m 34s
checks / test (3.11, locked, windows-latest)	1m 31s
checks / test (3.13, lowest-direct, ubuntu-latest)	1m 6s
checks / test (3.11, locked, ubuntu-latest)	1m 8s
checks / test (3.12, lowest-direct, ubuntu-latest)	1m 7s
checks / test (3.13, locked, windows-latest)	1m 34s
all-green	4s
	29m 0s

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