Bump qs from 6.9.4 to 6.9.7 in /docs

Bumps [qs](https://github.com/ljharb/qs) from 6.9.4 to 6.9.7.
- [Release notes](https://github.com/ljharb/qs/releases)
- [Changelog](https://github.com/ljharb/qs/blob/main/CHANGELOG.md)
- [Commits](https://github.com/ljharb/qs/compare/v6.9.4...v6.9.7)

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

Signed-off-by: dependabot[bot] <support@github.com>

backend/package.json

@@ -16,7 +16,7 @@
 		"gravatar": "^1.8.0",
 		"json-schema-ref-parser": "^8.0.0",
 		"jsonwebtoken": "^8.5.1",
-		"knex": "^2.4.0",
+		"knex": "^0.20.13",
 		"liquidjs": "^9.11.10",
 		"lodash": "^4.17.21",
 		"moment": "^2.29.4",

docs/yarn.lock

@@ -7894,9 +7894,9 @@ qs@6.7.0:
   integrity sha512-VCdBRNFTX1fyE7Nb6FYoURo/SPe62QCaAyzJvUjwRaIsc+NePBEniHlvxFmmX56+HZphIGtV0XeCirBtpDrTyQ==
 
 qs@^6.9.4:
-  version "6.9.4"
-  resolved "https://registry.yarnpkg.com/qs/-/qs-6.9.4.tgz#9090b290d1f91728d3c22e54843ca44aea5ab687"
-  integrity sha512-A1kFqHekCTM7cz0udomYUoYNWjBebHm/5wzU/XqrBRBNWectVH0QIiN+NEcZ0Dte5hvzHwbr8+XQmguPhJ6WdQ==
+  version "6.9.7"
+  resolved "https://registry.yarnpkg.com/qs/-/qs-6.9.7.tgz#4610846871485e1e048f44ae3b94033f0e675afe"
+  integrity sha512-IhMFgUmuNpyRfxA90umL7ByLlgRXu6tIfKPpF5TmcfRLlLCckfP/g3IQmju6jjpu+Hh8rA+2p6A27ZSPOOHdKw==
 
 qs@~6.5.2:
   version "6.5.2"