Bump version to 1.12.0

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Co-Authored-By: Claude Opus 4.5 <noreply@anthropic.com>

Anthony Green2025-12-22 09:17:45 -0500 d47fd1db4fe64765909563af26dbe9cb006b6a71

Co-Authored-By: Claude Opus 4.5 <noreply@anthropic.com>