(maint) trace docker transport run_cmd

!no-release-note

Author: h0tw1r3

lib/bolt/transport/docker/connection.rb

@@ -39,6 +39,7 @@ def container_id
         end
 
         def run_cmd(cmd, env_vars)
+          @logger.trace { "Executing: #{cmd.join(' ')}" }
           Bolt::Util.exec_docker(cmd, env_vars)
         end