modify eslint settings

.vscode/settings.json

@@ -1,9 +1,7 @@
 {
   "files.eol": "\n",
 
-  "eslint.workingDirectories": [
-    "./packages/growi-bot-proxy"
-  ],
+  "eslint.workingDirectories": [{ "mode": "auto" }],
 
   // use stylelint-plus
   // see https://qiita.com/y-w/items/bd7f11013fe34b69f0df#vs-code%E3%81%A8%E7%B5%84%E3%81%BF%E5%90%88%E3%82%8F%E3%81%9B%E3%82%8B