chore(deps): bump rollup in /console-subscriber/examples/grpc_web/app (…

…#585)

Bumps [rollup](https://github.com/rollup/rollup) from 4.12.0 to 4.22.4.
- [Release notes](https://github.com/rollup/rollup/releases)
- [Changelog](https://github.com/rollup/rollup/blob/master/CHANGELOG.md)
- [Commits](rollup/rollup@v4.12.0...v4.22.4)

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

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