DOC remove FutureWarning in plot_colour_quantization example (#24893)
DOC remove FutureWarning in plot_colour_quantization example (#24893)


espg/scikit-learn,betatim/scikit-learn,betatim/scikit-learn,betatim/scikit-learn,betatim/scikit-learn,scikit-learn/scikit-learn,scikit-learn/scikit-learn,espg/scikit-learn,scikit-learn/scikit-learn,espg/scikit-learn,espg/scikit-learn,scikit-learn/scikit-learn