Bump websocket-client-simple from 0.5.1 to 0.6.0 (#2573)

Bumps [websocket-client-simple](https://github.com/ruby-jp/websocket-client-simple) from 0.5.1 to 0.6.0.
- [Release notes](https://github.com/ruby-jp/websocket-client-simple/releases)
- [Changelog](https://github.com/ruby-jp/websocket-client-simple/blob/master/History.txt)
- [Commits](https://github.com/ruby-jp/websocket-client-simple/compare/v0.5.1...v0.6.0)

---
updated-dependencies:
- dependency-name: websocket-client-simple
  dependency-type: direct:development
  update-type: version-update:semver-minor
...

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

Signed-off-by: dependabot[bot] <support@github.com>
Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>

Gemfile

@@ -83,7 +83,7 @@ group :test do
     gem 'rest-client', '>= 2.1.0'
     gem 'irb'
     gem 'pry-byebug'
-    gem "websocket-client-simple", "~> 0.5.1"
+    gem "websocket-client-simple", "~> 0.6.0"
     gem "browserstack-local", "~> 1.4"
 end
 

Gemfile.lock

@@ -251,7 +251,7 @@ GEM
     unicode-display_width (2.2.0)
     webrick (1.7.0)
     websocket (1.2.9)
-    websocket-client-simple (0.5.1)
+    websocket-client-simple (0.6.0)
       event_emitter
       websocket
     xmlrpc (0.3.2)
@@ -305,7 +305,7 @@ DEPENDENCIES
   twitter (>= 7.0.0)
   uglifier (>= 4.2.0)
   unf
-  websocket-client-simple (~> 0.5.1)
+  websocket-client-simple (~> 0.6.0)
   xmlrpc
 
 BUNDLED WITH