Bump ws from 7.4.3 to 7.4.6 in /sample-apps/robinhood-for-reddit

Bumps [ws](https://github.com/websockets/ws) from 7.4.3 to 7.4.6.
- [Release notes](https://github.com/websockets/ws/releases)
- [Commits](websockets/ws@7.4.3...7.4.6)

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

Author: dependabot[bot]

sample-apps/robinhood-for-reddit/yarn.lock

@@ -2808,9 +2808,9 @@ write-file-atomic@^3.0.0:
     typedarray-to-buffer "^3.1.5"
 
 ws@^7.2.1:
-  version "7.4.3"
-  resolved "https://registry.yarnpkg.com/ws/-/ws-7.4.3.tgz#1f9643de34a543b8edb124bdcbc457ae55a6e5cd"
-  integrity sha512-hr6vCR76GsossIRsr8OLR9acVVm1jyfEWvhbNjtgPOrfvAlKzvyeg/P6r8RuDjRyrcQoPQT7K0DGEPc7Ae6jzA==
+  version "7.4.6"
+  resolved "https://registry.yarnpkg.com/ws/-/ws-7.4.6.tgz#5654ca8ecdeee47c33a9a4bf6d28e2be2980377c"
+  integrity sha512-YmhHDO4MzaDLB+M9ym/mDA5z0naX8j7SIlT8f8z+I0VtzsRbekxEutHSme7NPS2qE8StCYQNUnfWdXta/Yu85A==
 
 xdg-basedir@^4.0.0:
   version "4.0.0"