Revert "feat!: upgrade qs (#1991)" (#1993)

This reverts commit aedcb65.

Author: dianager

package.json

@@ -107,7 +107,7 @@
     "once": "^1.4.0",
     "pidusage": "^3.0.2",
     "pino": "^8.7.0",
-    "qs": "^6.15.2",
+    "qs": "^6.7.0",
     "restify-errors": "^8.0.2",
     "semver": "^7.3.8",
     "send": "^0.18.0",