build(deps-dev): bump qs from 6.9.0 to 6.9.1

Bumps [qs](https://github.com/ljharb/qs) from 6.9.0 to 6.9.1.
- [Release notes](https://github.com/ljharb/qs/releases)
- [Changelog](https://github.com/ljharb/qs/blob/master/CHANGELOG.md)
- [Commits](ljharb/qs@v6.9.0...v6.9.1)

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

Author: dependabot-preview[bot]

packages/cockpit/ui/package.json

@@ -78,7 +78,7 @@
     "perfect-scrollbar": "1.4.0",
     "popper.js": "1.15.0",
     "prop-types": "15.7.2",
-    "qs": "6.9.0",
+    "qs": "6.9.1",
     "re-resizable": "6.0.0",
     "react": "16.12.0",
     "react-blockies": "1.4.0",

yarn.lock

@@ -18529,10 +18529,10 @@ [email protected]:
   resolved "https://registry.yarnpkg.com/qs/-/qs-6.7.0.tgz#41dc1a015e3d581f1621776be31afb2876a9b1bc"
   integrity sha512-VCdBRNFTX1fyE7Nb6FYoURo/SPe62QCaAyzJvUjwRaIsc+NePBEniHlvxFmmX56+HZphIGtV0XeCirBtpDrTyQ==
 
-[email protected].0, qs@^6.6.0:
-  version "6.9.0"
-  resolved "https://registry.yarnpkg.com/qs/-/qs-6.9.0.tgz#d1297e2a049c53119cb49cca366adbbacc80b409"
-  integrity sha512-27RP4UotQORTpmNQDX8BHPukOnBP3p1uUJY5UnDhaJB+rMt9iMsok724XL+UHU23bEFOHRMQ2ZhI99qOWUMGFA==
+[email protected].1, qs@^6.6.0:
+  version "6.9.1"
+  resolved "https://registry.yarnpkg.com/qs/-/qs-6.9.1.tgz#20082c65cb78223635ab1a9eaca8875a29bf8ec9"
+  integrity sha512-Cxm7/SS/y/Z3MHWSxXb8lIFqgqBowP5JMlTUFyJN88y0SGQhVmZnqFK/PeuMX9LzUyWsqqhNxIyg0jlzq946yA==
 
 qs@~6.5.2:
   version "6.5.2"