Amandla Stenberg isn’t just a versatile young actress. She’s also a thoughtful feminist. Photograph: Donato Sardella/Getty Images for Teen Vogue When I was a young feminist – working at my first job in a women’s nonprofit and eager to single-handedly take on the patriarchy – there was a common refrain from the older generation that infuriated me and my peers: Where are all the young feminists? We were right…