chore(deps): bump pinia from 2.3.1 to 3.0.4 in /frontend

Bumps [pinia](https://github.com/vuejs/pinia) from 2.3.1 to 3.0.4.
- [Release notes](https://github.com/vuejs/pinia/releases)
- [Commits](vuejs/pinia@v2.3.1...v3.0.4)

---
updated-dependencies:
- dependency-name: pinia
  dependency-version: 3.0.4
  dependency-type: direct:production
  update-type: version-update:semver-major
...

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

Author: dependabot[bot]