chore: release v1.6.0

[github-actions]

🤖 New release

• rmcp-macros: 1.5.0 -> 1.6.0
• rmcp: 1.5.0 -> 1.6.0

Changelog

rmcp-macros

1.6.0 - 2026-05-01

Fixed

• (docs) use correct Parameters syntax in tool examples (#814)

Other

• add systemprompt-template to Built with rmcp (#820)

rmcp

1.6.0 - 2026-05-01

Added

• (http) log Host/Origin rejections (#826)
• (http) add Origin header validation (#823)
• (router) support runtime disabling of tools (#809)
• optional session store (resumabillity support) (#775)

Fixed

• add init_timeout for streamable-http sessions (#811)
• (http) fall back to :authority for HTTP/2 (#827)
• (docs) use correct Parameters syntax in tool examples (#814)

Other

• add systemprompt-template to Built with rmcp (#820)

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