Bump qs from 6.9.3 to 6.9.4

Bumps [qs](https://github.com/ljharb/qs) from 6.9.3 to 6.9.4.
- [Release notes](https://github.com/ljharb/qs/releases)
- [Changelog](https://github.com/ljharb/qs/blob/master/CHANGELOG.md)
- [Commits](ljharb/qs@v6.9.3...v6.9.4)

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

yarn.lock

@@ -1892,9 +1892,9 @@ qs@6.7.0:
   integrity sha512-VCdBRNFTX1fyE7Nb6FYoURo/SPe62QCaAyzJvUjwRaIsc+NePBEniHlvxFmmX56+HZphIGtV0XeCirBtpDrTyQ==
 
 qs@^6.7.0:
-  version "6.9.3"
-  resolved "https://registry.yarnpkg.com/qs/-/qs-6.9.3.tgz#bfadcd296c2d549f1dffa560619132c977f5008e"
-  integrity sha512-EbZYNarm6138UKKq46tdx08Yo/q9ZhFoAXAI1meAFd2GtbRDhbZY2WQSICskT0c5q99aFzLG1D4nvTk9tqfXIw==
+  version "6.9.4"
+  resolved "https://registry.yarnpkg.com/qs/-/qs-6.9.4.tgz#9090b290d1f91728d3c22e54843ca44aea5ab687"
+  integrity sha512-A1kFqHekCTM7cz0udomYUoYNWjBebHm/5wzU/XqrBRBNWectVH0QIiN+NEcZ0Dte5hvzHwbr8+XQmguPhJ6WdQ==
 
 qs@~6.5.2:
   version "6.5.2"