Remove outdated @types/qs package from dependencies

Author: himorishige

package-lock.json

@@ -40,7 +40,6 @@
     "@types/async-retry": "^1.4.5",
     "@types/jest": "^29.5.4",
     "@types/node": "^18.19.14",
-    "@types/qs": "^6.9.8",
     "@typescript-eslint/eslint-plugin": "^6.5.0",
     "@typescript-eslint/parser": "^6.5.0",
     "eslint": "^8.48.0",