The aging actress had made up her mind. “It’s been incredibly depressing,” said Colleen Hagyard, treasurer for the nonprofit Volcano Theatre Company’s board of directors. If you don’t go here, you’re going to Sacramento.” Volcano Theatre Company actors Alex Sharp, left, Paula Bibby and Madison Stevens perform Noel Coward’s “Hay Fever.” Mulderrig — whose bio in the “Hay Fever” program …