Bump prettier from 1.19.1 to 3.8.1 in /frontend

Bumps [prettier](https://github.com/prettier/prettier) from 1.19.1 to 3.8.1.
- [Release notes](https://github.com/prettier/prettier/releases)
- [Changelog](https://github.com/prettier/prettier/blob/main/CHANGELOG.md)
- [Commits](prettier/prettier@1.19.1...3.8.1)

---
updated-dependencies:
- dependency-name: prettier
  dependency-version: 3.8.1
  dependency-type: direct:development
  update-type: version-update:semver-major
...

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

Author: dependabot[bot]

frontend/package-lock.json

@@ -38,7 +38,7 @@
     "eslint": "^6.7.2",
     "eslint-plugin-prettier": "^3.4.0",
     "eslint-plugin-vue": "^6.2.2",
-    "prettier": "^1.19.1",
+    "prettier": "^3.8.1",
     "sass": "^1.98.0",
     "sass-loader": "^8.0.0",
     "serialize-javascript": "^7.0.3",