chore(deps-dev): bump @vue/cli-plugin-eslint from 4.0.3 to 4.0.4… (#890)

Bumps [@vue/cli-plugin-eslint](https://github.com/vuejs/vue-cli/tree/HEAD/packages/@vue/cli-plugin-eslint) from 4.0.3 to 4.0.4.
- [Release notes](https://github.com/vuejs/vue-cli/releases)
- [Changelog](https://github.com/vuejs/vue-cli/blob/dev/CHANGELOG.md)
- [Commits](https://github.com/vuejs/vue-cli/commits/v4.0.4/packages/@vue/cli-plugin-eslint)

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

frontend/package.json

@@ -26,7 +26,7 @@
   },
   "devDependencies": {
     "@vue/cli-plugin-babel": "^4.0.4",
-    "@vue/cli-plugin-eslint": "^4.0.3",
+    "@vue/cli-plugin-eslint": "^4.0.4",
     "@vue/cli-service": "^4.0.4",
     "babel-eslint": "^10.0.3",
     "eslint": "^5.16.0",