Scalable, Portable and Distributed Gradient Boosting

Use RMM's pached CCCL (#11351)

Passed in 5s
:pipeline:
:pipeline:test -f tests/buildkite/pipeline.yml && buildkite-agent pipeline upload tests/buildkite/pipeline.yml || true
Waited 1s
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Ran in 4s
Total Job Run Time: 4s