Bump qs from 6.5.1 to 6.5.3

Bumps [qs](https://github.com/ljharb/qs) from 6.5.1 to 6.5.3.
- [Release notes](https://github.com/ljharb/qs/releases)
- [Changelog](https://github.com/ljharb/qs/blob/main/CHANGELOG.md)
- [Commits](ljharb/qs@v6.5.1...v6.5.3)

---
updated-dependencies:
- dependency-name: qs
  dependency-type: direct:production
...

Signed-off-by: dependabot[bot] <[email protected]>

Author: dependabot[bot]

package-lock.json

@@ -84,7 +84,7 @@
     "node-fetch": "^2.6.1",
     "node-jose": "^2.0.0",
     "parse-link-header": "0.4.1",
-    "qs": "^6.2.1",
+    "qs": "^6.5.3",
     "querystring": "0.2.0",
     "raven": "github:zwily/raven-node#middleware-req-callback"
   },