Bump eslint-plugin-vue from 8.7.1 to 9.27.0 in /freedata_gui

Bumps [eslint-plugin-vue](https://github.com/vuejs/eslint-plugin-vue) from 8.7.1 to 9.27.0.
- [Release notes](https://github.com/vuejs/eslint-plugin-vue/releases)
- [Commits](https://github.com/vuejs/eslint-plugin-vue/compare/v8.7.1...v9.27.0)

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

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

freedata_gui/package.json

@@ -47,7 +47,7 @@
     "@vue/cli-plugin-eslint": "~5.0.0",
     "@vue/cli-service": "~5.0.0",
     "eslint": "^7.32.0",
-    "eslint-plugin-vue": "^8.0.3"
+    "eslint-plugin-vue": "^9.27.0"
   },
   "eslintConfig": {
     "root": true,