David Fincher’s “Mank” led nominations for the 93rd Academy Awards with 10 nods Monday, and for the first time, two women — Chloé Zhao and Emerald Fennell — were tipped for best director.Eight films were nominated for best picture. “Mank” was joined by Fennell’s “Promising Young Woman,” Zhao’s “Nomadland,” “Judas and the Black Messiah,” “Sound of Metal,” “Minari,” “The Father” and “The Trial of the