Colorbar is not showing last tick

Hi,
I have added a horizontal colorbar to a heatmap figure and can't get the last tick to show. Here are some of things I tried and thought are the most logical:

colorbar= dict(
            orientation='h',
            y=1.01,
            tickformat=".0%",
            tickmode='array',
            tickvals=[0, 0.25, 0.5, 0.75, 1],
            showticksuffix='last',
            ), 

and

colorbar= dict(
            orientation='h',
            y=1.01,
            tickformat=".0%",
            tickmode='linear',
            tick0=0,
            dtick=0.25,
            nticks=5,
            ticklabeloverflow="allow",
            ), 

but both yield the same result:

I have also tried moving the bar around the x axis and played with labels and length, but it always seems missing.

Is this a bug?

Plotly: 5.24.1 and Python: 3.12.7

Reproduzca la colorbar horizontal del mapa de calor con las configuraciones proporcionadas tickmode='array' y tickmode='linear' usando Plotly 5.24.1 y Python 3.12.7. Rastree cómo la colorbar gestiona el tick final y verifique la corrección confirmando que la etiqueta del tick 1.0 se renderiza sin afectar a las demás etiquetas.