Cardi B publicly apologized to Latto this week, releasing an open letter on social media acknowledging her role in escalating their long-running feud. The Grammy-winning rapper said she wanted to “take accountability” for the back-and-forth that played out online and in music, writing that she regretted letting the situation “go too far.” The apology follows more than a year of friction between the two artists — including subliminal shots, leake…