build(deps): bump pinia from 2.2.2 to 2.2.4 in /frontend

Bumps [pinia](https://github.com/vuejs/pinia) from 2.2.2 to 2.2.4.
- [Release notes](https://github.com/vuejs/pinia/releases)
- [Commits](https://github.com/vuejs/pinia/compare/pinia@2.2.2...pinia@2.2.4)

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

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

frontend/package.json

@@ -67,7 +67,7 @@
     "iban": "^0.0.14",
     "js-cookie": "^3.0.5",
     "oidc-client-ts": "^3.1.0",
-    "pinia": "^2.2.2",
+    "pinia": "^2.2.4",
     "pinia-plugin-persistedstate": "^4.1.1",
     "qrcode": "^1.5.4",
     "sirv": "^3.0.0",