chore: release v2.28.0 - #900

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Confidence Score: 5/5

[Low risk] Version bump and generated documentation update.

The release metadata and generated documentation are internally consistent, so the PR appears safe to merge.

Summary

This release PR consistently advances pitchfork-cli from 2.27.0 to 2.28.0 across the Rust package metadata and generated CLI documentation.

• Adds the 2.28.0 changelog section with the status enhancement and dependency updates.
• Keeps Cargo.toml and the root package entry in Cargo.lock aligned.
• Regenerates the CLI documentation and usage specification with the new version.

_{Reviews (18) · Last reviewed commit: "chore: release v2.28.0"}

Instruction counts

No instruction-count regression above 1%.

_{Only instruction counts gate. Wall clock is shown for context — on identical hardware it moves 4-20% run to run.}

_{Measured by tak — instruction-counted CLI benchmarks, stored in this repository's git notes.}

_{90e5dcc4616e vs 018600b746aa · measured on the runner, not pushed to the history.}