chore(deps-dev): bump eslint-plugin-vue from 5.2.3 to 6.0.0 in /… (#911)

Bumps [eslint-plugin-vue](https://github.com/vuejs/eslint-plugin-vue) from 5.2.3 to 6.0.0.
- [Release notes](https://github.com/vuejs/eslint-plugin-vue/releases)
- [Commits](https://github.com/vuejs/eslint-plugin-vue/compare/v5.2.3...v6.0.0)

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

frontend/package.json

@@ -30,7 +30,7 @@
     "@vue/cli-service": "^4.0.5",
     "babel-eslint": "^10.0.3",
     "eslint": "^5.16.0",
-    "eslint-plugin-vue": "^5.2.3",
+    "eslint-plugin-vue": "^6.0.0",
     "vue-template-compiler": "^2.6.10"
   },
   "eslintConfig": {