Ruby: Add classes for detecting user input from graphql-ruby

Author: jeffgran-dox

ruby/ql/lib/codeql/ruby/Frameworks.qll

@@ -6,6 +6,7 @@ private import codeql.ruby.frameworks.ActionController
 private import codeql.ruby.frameworks.ActiveRecord
 private import codeql.ruby.frameworks.ActiveStorage
 private import codeql.ruby.frameworks.ActionView
+private import codeql.ruby.frameworks.GraphQL
 private import codeql.ruby.frameworks.Rails
 private import codeql.ruby.frameworks.StandardLibrary
 private import codeql.ruby.frameworks.Files