fix(deps): peg qs to 6.10.4

Author: MikeMcC399

package.json

@@ -40,7 +40,7 @@
     "json-stringify-safe": "~5.0.1",
     "mime-types": "~2.1.19",
     "performance-now": "^2.1.0",
-    "qs": "~6.10.3",
+    "qs": "6.10.4",
     "safe-buffer": "^5.1.2",
     "tough-cookie": "^4.1.3",
     "tunnel-agent": "^0.6.0",