Bump faye-websocket from 0.4.6 to 0.11.0 in /edx_specs

Bumps [faye-websocket](https://github.com/faye/faye-websocket-ruby) from 0.4.6 to 0.11.0.
- [Release notes](https://github.com/faye/faye-websocket-ruby/releases)
- [Changelog](https://github.com/faye/faye-websocket-ruby/blob/master/CHANGELOG.md)
- [Commits](faye/faye-websocket-ruby@0.4.6...0.11.0)

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

Author: dependabot[bot]

edx_specs/Gemfile.lock

@@ -16,11 +16,12 @@ GEM
       ffi (~> 1.0, >= 1.0.6)
     coderay (1.0.7)
     diff-lcs (1.1.3)
-    eventmachine (1.0.0)
+    eventmachine (1.2.7)
     faker (1.0.1)
       i18n (~> 0.4)
-    faye-websocket (0.4.6)
+    faye-websocket (0.11.0)
       eventmachine (>= 0.12.0)
+      websocket-driver (>= 0.5.1)
     ffi (1.1.5)
     http_parser.rb (0.5.3)
     i18n (0.6.0)
@@ -63,6 +64,9 @@ GEM
       multi_json (~> 1.0)
       rubyzip
     slop (3.3.2)
+    websocket-driver (0.7.3)
+      websocket-extensions (>= 0.1.0)
+    websocket-extensions (0.1.5)
     xpath (0.1.4)
       nokogiri (~> 1.3)