v1.27.2

What's Changed

• [v1.x] ci: deploy docs to py.sdk.modelcontextprotocol.io via Pages artifact by @maxisbey in #2635
• [v1.x] Add subject and claims to AccessToken by @maxisbey in #2690
• [v1.x] Bind transport sessions to the authenticated principal by @maxisbey in #2719
• [v1.x] Scope experimental tasks to the session that created them by @maxisbey in #2720

Full Changelog: v1.27.1...v1.27.2