ci: Minor adjustment to test automated releases

[vishal-bala]

Note

Medium Risk
Touches the release/publish GitHub Actions workflow; misconfiguration could block releases or accidentally commit version bumps. Actual publishing is still stubbed (echo), reducing the immediate blast radius.

Overview
Updates the automated release workflow to key off the auto:release label and to always run against main with full history/tags available.

Adds steps to derive the next version via auto latest, apply it to pyproject.toml, and commit the version bump (push currently commented out), then rebuilds for publish; the final PyPI publish remains a TODO (uv publish is echoed). Also includes a minor .autorc label description wording tweak.

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[jit-ci]

🛡️ Jit Security Scan Results

✅ No security findings were detected in this PR

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^{Security scan by Jit}

[cursor]

Cursor Bugbot has reviewed your changes and found 1 potential issue.