[Security] Bump ws from 1.1.4 to 1.1.5 in /client

Bumps [ws](https://github.com/websockets/ws) from 1.1.4 to 1.1.5. **This update includes security fixes.**
- [Release notes](https://github.com/websockets/ws/releases)
- [Commits](websockets/ws@1.1.4...1.1.5)

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

client/yarn.lock

@@ -6725,8 +6725,8 @@ wrappy@1:
   resolved "https://registry.yarnpkg.com/wrappy/-/wrappy-1.0.2.tgz#b5243d8f3ec1aa35f1364605bc0d1036e30ab69f"
 
 ws@^1.0.1:
-  version "1.1.4"
-  resolved "https://registry.yarnpkg.com/ws/-/ws-1.1.4.tgz#57f40d036832e5f5055662a397c4de76ed66bf61"
+  version "1.1.5"
+  resolved "https://registry.yarnpkg.com/ws/-/ws-1.1.5.tgz#cbd9e6e75e09fc5d2c90015f21f0c40875e0dd51"
   dependencies:
     options ">=0.0.5"
     ultron "1.0.x"