Bump prettier from 3.6.2 to 3.7.4 in /webui

Bumps [prettier](https://github.com/prettier/prettier) from 3.6.2 to 3.7.4.
- [Release notes](https://github.com/prettier/prettier/releases)
- [Changelog](https://github.com/prettier/prettier/blob/main/CHANGELOG.md)
- [Commits](prettier/prettier@3.6.2...3.7.4)

---
updated-dependencies:
- dependency-name: prettier
  dependency-version: 3.7.4
  dependency-type: direct:development
  update-type: version-update:semver-minor
...

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

Author: dependabot[bot]

webui/package-lock.json

@@ -49,7 +49,7 @@
     "eslint": "^9.39.1",
     "eslint-plugin-vue": "^10.6.2",
     "npm-run-all": "^4.1.5",
-    "prettier": "^3.6.2",
+    "prettier": "^3.7.4",
     "typescript": "~5.9.3",
     "vite": "^7.2.6",
     "vue-tsc": "^3.1.5",