Cards on the table, Bey and Tay’s worlds might finally be colliding. One of Beyoncé’s producers suggested this week that her upcoming album, “Act II,” might offer up a long-awaited collaboration with Taylor Swift. Killah B, who produced and co-wrote Beyoncé’s new track “Texas Hold ‘Em,” told TMZ that the “CUFF IT” singer, 42, is “on the approach of shocking the world.” While he didn’t specify what the shockers would be, the Grammy-nominated producer suggested the possibilities are endless. The collaboration would make sense, especially since Beyoncé and the “Anti-Hero” singer, 34, are widely c…