PaginationView currentPageIndex does not update UI when axis is vertical

[darrenasaro]

struct PaginationViewBug: View {
  @State private var index = 0
  
  var body: some View {
    // works with .horizontal but does not with .vertical
    PaginationView(axis: .vertical) {
      Color.red
        .onTapGesture {
          index = 1
        }
      Color.blue
        .onTapGesture {
          index = 0
        }
    }
    .currentPageIndex($index)
  }
}