Use cuda.bindings layout. (#6233)

This PR updates cuML to use the new cuda-python `cuda.bindings` layout. See rapidsai/build-planning#117.

Authors:
  - Bradley Dice (https://github.com/bdice)
  - https://github.com/jakirkham

Approvers:
  - Dante Gama Dessavre (https://github.com/dantegd)
  - https://github.com/jakirkham

URL: #6233

python/cuml/cuml/svm/linear.pyx

@@ -37,7 +37,7 @@ from pylibraft.common.interruptible import cuda_interruptible
 from cuml.common import input_to_cuml_array
 from libc.stdint cimport uintptr_t
 from libcpp cimport bool as cppbool
-from cuda.ccudart cimport(
+from cuda.bindings.cyruntime cimport(
     cudaMemcpyAsync,
     cudaMemcpyKind,
 )