Include Dask testing dependencies in downstream CI (#11207)
Include Dask testing dependencies in downstream CI (#11207)

* Include Dask testing dependencies in downstream CI

* Uninstall flaky in downstream CI build

* Add --yes

Co-authored-by: Bryan Van de Ven <0a3ba1af216659500dd8f41e29f3979f42452870@bokeh.org>
bokeh/bokeh,bokeh/bokeh,bokeh/bokeh,bokeh/bokeh,bokeh/bokeh