Bump rollup in /End_to_end_Solutions/AOAISearchDemo/app/frontend

Bumps [rollup](https://github.com/rollup/rollup) from 3.20.6 to 3.29.5.
- [Release notes](https://github.com/rollup/rollup/releases)
- [Changelog](https://github.com/rollup/rollup/blob/master/CHANGELOG.md)
- [Commits](rollup/rollup@v3.20.6...v3.29.5)

---
updated-dependencies:
- dependency-name: rollup
  dependency-type: indirect
...

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Author: dependabot[bot]