Support Dask + Distributed 2021.05.1

[jakirkham]

Allow installing Dask + Distributed 2021.05.1 to be installed.

This isn't released yet, but this tees things up so we are ready to go once it comes out.

Associated integration PR ( rapidsai/integration#284 )

[codecov]

Codecov Report

❗ No coverage uploaded for pull request base (branch-21.06@7231e3b). Click here to learn what that means.
The diff coverage is n/a.

@@               Coverage Diff               @@
##             branch-21.06    #8392   +/-   ##
===============================================
  Coverage                ?   82.83%           
===============================================
  Files                   ?      109           
  Lines                   ?    17896           
  Branches                ?        0           
===============================================
  Hits                    ?    14824           
  Misses                  ?     3072           
  Partials                ?        0           

---

Continue to review full report at Codecov.

Legend - Click here to learn more
Δ = absolute <relative> (impact), ø = not affected, ? = missing data
Powered by Codecov. Last update 7231e3b...69011fb. Read the comment docs.

[jakirkham]

This is still waiting for packages. Just taking off the draft status 🙂

[jakirkham]

rerun tests

[jakirkham]

@gpucibot merge

[cwharris]

should we use ci/gpu/build.sh to force update dask+distributed and run tests so we know it'll work with latest, rather than waiting on integration to merge and publish?

[jakirkham]

Thanks Christopher!

We do run with main branches of both on CI already

Also ran with new Conda packages upthread