build(deps-dev): bump eslint-plugin-vue from 10.8.0 to 10.9.1 in /webapp

Bumps [eslint-plugin-vue](https://github.com/vuejs/eslint-plugin-vue) from 10.8.0 to 10.9.1.
- [Release notes](https://github.com/vuejs/eslint-plugin-vue/releases)
- [Changelog](https://github.com/vuejs/eslint-plugin-vue/blob/master/CHANGELOG.md)
- [Commits](vuejs/eslint-plugin-vue@v10.8.0...v10.9.1)

---
updated-dependencies:
- dependency-name: eslint-plugin-vue
  dependency-version: 10.9.1
  dependency-type: direct:development
  update-type: version-update:semver-minor
...

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

Author: dependabot[bot]

webapp/package.json

@@ -40,7 +40,7 @@
     "eslint": "^10.1.0",
     "eslint-config-prettier": "^10.1.8",
     "eslint-plugin-oxlint": "~1.50.0",
-    "eslint-plugin-vue": "^10.8.0",
+    "eslint-plugin-vue": "^10.9.1",
     "npm-run-all": "^4.1.5",
     "oxlint": "~1.50.0",
     "prettier": "^3.8.1",