build(deps-dev): bump @vitejs/plugin-vue from 5.1.4 to 5.2.1 in /webapp

Bumps [@vitejs/plugin-vue](https://github.com/vitejs/vite-plugin-vue/tree/HEAD/packages/plugin-vue) from 5.1.4 to 5.2.1.
- [Release notes](https://github.com/vitejs/vite-plugin-vue/releases)
- [Changelog](https://github.com/vitejs/vite-plugin-vue/blob/main/packages/plugin-vue/CHANGELOG.md)
- [Commits](https://github.com/vitejs/vite-plugin-vue/commits/plugin-vue@5.2.1/packages/plugin-vue)

---
updated-dependencies:
- dependency-name: "@vitejs/plugin-vue"
  dependency-type: direct:development
  update-type: version-update:semver-minor
...

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

webapp/package.json

@@ -31,7 +31,7 @@
     "@types/pulltorefreshjs": "^0.1.7",
     "@types/sortablejs": "^1.15.8",
     "@types/spark-md5": "^3.0.5",
-    "@vitejs/plugin-vue": "^5.1.4",
+    "@vitejs/plugin-vue": "^5.2.1",
     "@vue/eslint-config-typescript": "^14.1.3",
     "@vue/tsconfig": "^0.5.1",
     "eslint": "^9.14.0",