Stassi Schroeder and Beau Clark surprised viewers by how much of their marriage highs and lows they showed on House of Stassi — but the show’s producers are expecting even more in season 2. During an exclusive interview with Us, executive producers David Marker and Renata Lombardo addressed whether there were any regrets about the first season of the hit Hulu series following its overnight success. “I don’t think so. I think if you ask the cast that question, they probably feel like they have some regret,” Lombardo told Us. “I don’t want to say regret, but like, ‘Oh wow, maybe I didn’t have to say all that.’ But I think they also all…