Closing its audacious 2024-25 season, The Atlanta Opera unveiled a production of Handel’s Semele this past Saturday, a first for the city. This inspired bit of programing served to highlight a season distinguished by a series of bold gambles by the company, starting off with a fine production of Mozart’s perennial favorite Die Zauberflote, and juxtaposed by well-intentioned yet unidiomatic performances of Verdi’s Macbeth, an opera better enjoyed by local audiences twice before.…