feat: rename ui-embedding --shell-title flag to --title @W-24143229@ - #1051

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Node.js 20 is deprecated. The following actions target Node.js 20 but are being forced to run on Node.js 24: kaisugi/action-regex-match@45cc5bacf016a4c0d2c3c9d0f8b7c2f1b79687b8. For more information see: https://github.blog/changelog/2025-09-19-deprecation-of-node-20-on-github-actions-runners/