Allow CuPy 10 (rapidsai#4487)

Relaxes version constraints to allow CuPy 10.

xref: rapidsai/integration#413

Authors:
  - https://github.com/jakirkham

Approvers:
  - Jordan Jacobelli (https://github.com/Ethyling)
  - William Hicks (https://github.com/wphicks)

URL: rapidsai#4487

conda/recipes/cuml/meta.yaml

@@ -43,7 +43,7 @@ requirements:
     - dask-cudf {{ minor_version }}
     - libcuml={{ version }}
     - libcumlprims {{ minor_version }}
-    - cupy>=7.8.0,<10.0.0a0
+    - cupy>=7.8.0,<11.0.0a0
     - treelite=2.1.0
     - nccl>=2.9.9
     - ucx-py {{ ucx_py_version }}