Bump ws from 7.4.4 to 7.5.9 in /test

Bumps [ws](https://github.com/websockets/ws) from 7.4.4 to 7.5.9.
- [Release notes](https://github.com/websockets/ws/releases)
- [Commits](websockets/ws@7.4.4...7.5.9)

---
updated-dependencies:
- dependency-name: ws
  dependency-type: indirect
...

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

Author: dependabot[bot]

test/yarn.lock

@@ -4458,9 +4458,9 @@ write-file-atomic@^3.0.0:
     typedarray-to-buffer "^3.1.5"
 
 ws@^7.4.4:
-  version "7.4.4"
-  resolved "https://registry.yarnpkg.com/ws/-/ws-7.4.4.tgz#383bc9742cb202292c9077ceab6f6047b17f2d59"
-  integrity sha512-Qm8k8ojNQIMx7S+Zp8u/uHOx7Qazv3Yv4q68MiWWWOJhiwG5W3x7iqmRtJo8xxrciZUY4vRxUTJCKuRnF28ZZw==
+  version "7.5.9"
+  resolved "https://registry.yarnpkg.com/ws/-/ws-7.5.9.tgz#54fa7db29f4c7cec68b1ddd3a89de099942bb591"
+  integrity sha512-F+P9Jil7UiSKSkppIiD94dN07AwvFixvLIj1Og1Rl9GGMuNipJnV9JzjD6XuqmAeiswGvUmNLjr5cFuXwNS77Q==
 
 xml-name-validator@^3.0.0:
   version "3.0.0"