fix: upgrade handlebars to 4.7.9 (CVE-2026-33937) (#13367)
* fix: CVE-2026-33937 security vulnerability
Automated dependency upgrade by Orbis Security AI
* Fix
* add changeset
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Co-authored-by: Freddy Boulton <41651716+freddyaboulton@users.noreply.github.com>
Co-authored-by: gradio-pr-bot <gradio-pr-bot@users.noreply.github.com>
