Well, unfortunately, Gojo did meet his demise in the manga. This plot twist came as a surprise and left fans both heartbroken and eager to see how the story would unfold without him.
As of now, Gojo is still alive in the manga. The story has many twists and turns, but his fate hasn't led to his death yet. Maybe there'll be surprises in the future, but for now, he's kicking.
I don't have the exact timing of Gojo's death in the manga at hand. But usually, you can find such crucial plot points by closely following the story's progression or referring to fan communities and discussions dedicated to the manga.
Sure, Gojo came back to life in the manga. It was a surprise for many fans and was handled in an interesting way. The author crafted a storyline that made his return plausible and engaging.