Bump ws from 8.16.0 to 8.18.0 (#506)

Bumps [ws](https://github.com/websockets/ws) from 8.16.0 to 8.18.0.

yarn.lock

@@ -10972,9 +10972,9 @@ write-file-atomic@^2.4.2:
     signal-exit "^3.0.2"
 
 ws@^8.13.0:
-  version "8.16.0"
-  resolved "https://registry.yarnpkg.com/ws/-/ws-8.16.0.tgz#d1cd774f36fbc07165066a60e40323eab6446fd4"
-  integrity sha512-HS0c//TP7Ina87TfiPUz1rQzMhHrl/SG2guqRcTOIUYD2q8uhUdNHZYJUaQ8aTGPzCh+c6oawMKW35nFl1dxyQ==
+  version "8.18.0"
+  resolved "https://registry.yarnpkg.com/ws/-/ws-8.18.0.tgz#0d7505a6eafe2b0e712d232b42279f53bc289bbc"
+  integrity sha512-8VbfWfHLbbwu3+N6OKsOMpBdT4kXPDDB9cJk2bJ6mh9ucxdlnNvH1e+roYkKmN9Nxw2yjz7VzeO9oOz2zJ04Pw==
 
 xregexp@^4.3.0:
   version "4.3.0"