codex-app 26.324.21329

[singularitti]

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[Copilot]

Pull request overview

Updates the Homebrew cask for codex-app to the latest upstream release, ensuring Homebrew users install the current Codex desktop app build.

Changes:

• Bumped version from 26.323.20928 to 26.324.21329
• Updated sha256 to match the new arm64 zip for that version

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