Merge pull request #120 from ruby/dependabot/bundler/websocket-driver-0.8.1

Bump websocket-driver from 0.8.0 to 0.8.1

Author: amatsuda

Gemfile.lock

@@ -325,7 +325,7 @@ GEM
     uri (1.1.1)
     useragent (0.16.11)
     websocket (1.2.11)
-    websocket-driver (0.8.0)
+    websocket-driver (0.8.1)
       base64
       websocket-extensions (>= 0.1.0)
     websocket-extensions (0.1.5)