Split the advisory YARD @deprecated annotations out of #406 so the
documentation can land ahead of the 2026-07-28 protocol release.
Per maintainer feedback, this drops the protocol-version-gated runtime
Kernel.warn behavior and the new 2026-07-28 supported protocol version,
leaving only the @deprecated notes for the Roots, Sampling, and Logging
APIs deprecated by SEP-2577.
Refs #390
Co-authored-by: 🦞 Qlaw <noreply@qlaw.quick.shopify.io>
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