Philip Hyunsu Cho 05db6a6c29
[CI] Upgrade cuDF and RMM to 21.06 nightly (#7012)
* [CI] Upgrade cuDF and RMM to 21.06 nightly

* Trim outdated test cases

* Pin Dask version to 2021.05.0 for now
2021-06-02 11:59:30 -07:00
..
2019-03-13 02:25:51 +08:00
2020-05-21 12:26:40 +12:00