Bump webpack from 5.66.0 to 5.88.2 in /ui

Bumps [webpack](https://github.com/webpack/webpack) from 5.66.0 to 5.88.2.
- [Release notes](https://github.com/webpack/webpack/releases)
- [Commits](webpack/webpack@v5.66.0...v5.88.2)

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

Signed-off-by: dependabot[bot] <support@github.com>