build: update dependency @modelcontextprotocol/sdk to v1.20.0 (main)

[angular-robot]

This PR contains the following updates:

Package	Change	Age	Adoption	Passing	Confidence
@modelcontextprotocol/sdk (source)	1.19.1 -> 1.20.0

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Release Notes

modelcontextprotocol/typescript-sdk (@​modelcontextprotocol/sdk)

v1.20.0

Compare Source

What's Changed

• docs: improve main README with better quick start, include examples of stateless HTTP, explain tools v resources v prompts by @​domdomegg in #​980
• chore: add lint:fix script by @​mattzcarey in #​1013
• Default to S256 code challenge if not specified in authorization server metadata by @​LucaButBoring in #​992

New Contributors 🙏

• @​mattzcarey made their first contribution in #​1013

Full Changelog: modelcontextprotocol/typescript-sdk@1.19.0...1.20.0

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