Bump ws from 1.1.4 to 1.1.5

Bumps [ws](https://github.com/websockets/ws) from 1.1.4 to 1.1.5.
- [Release notes](https://github.com/websockets/ws/releases)
- [Commits](websockets/ws@1.1.4...1.1.5)

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

Author: dependabot[bot]

yarn.lock

@@ -4864,8 +4864,8 @@ write@^0.2.1:
     mkdirp "^0.5.1"
 
 ws@^1.1.0:
-  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"