Bump qs from 6.9.0 to 6.9.1 in /vuejs

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](https://github.com/ljharb/qs/compare/v6.9.0...v6.9.1)

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

vuejs/package.json

@@ -14,7 +14,7 @@
     "core-js": "^2.6.5",
     "postcss-import": "^12.0.1",
     "postcss-nested": "^4.1.2",
-    "qs": "^6.9.0",
+    "qs": "^6.9.1",
     "tailwindcss": "^1.1.2",
     "vue": "^2.6.10",
     "vue-router": "^3.1.3",

vuejs/yarn.lock

@@ -7957,10 +7957,10 @@ qs@6.7.0:
   resolved "https://registry.yarnpkg.com/qs/-/qs-6.7.0.tgz#41dc1a015e3d581f1621776be31afb2876a9b1bc"
   integrity sha512-VCdBRNFTX1fyE7Nb6FYoURo/SPe62QCaAyzJvUjwRaIsc+NePBEniHlvxFmmX56+HZphIGtV0XeCirBtpDrTyQ==
 
-qs@^6.9.0:
-  version "6.9.0"
-  resolved "https://registry.yarnpkg.com/qs/-/qs-6.9.0.tgz#d1297e2a049c53119cb49cca366adbbacc80b409"
-  integrity sha512-27RP4UotQORTpmNQDX8BHPukOnBP3p1uUJY5UnDhaJB+rMt9iMsok724XL+UHU23bEFOHRMQ2ZhI99qOWUMGFA==
+qs@^6.9.1:
+  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"