NPM - (deps-dev): Bump @quasar/app from 2.1.15 to 3.2.9 in /frontend

Bumps [@quasar/app](https://github.com/quasarframework/quasar) from 2.1.15 to 3.2.9.
- [Release notes](https://github.com/quasarframework/quasar/releases)
- [Commits](https://github.com/quasarframework/quasar/compare/@quasar/app-v2.1.15...@quasar/app-v3.2.9)

---
updated-dependencies:
- dependency-name: "@quasar/app"
  dependency-type: direct:development
  update-type: version-update:semver-major
...

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

Author: dependabot[bot]