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Support numba-cuda>=0.0.18 #17359

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This PR changes the way that cuDF puts numba into MVC mode for CUDA 12, using an env var rather than by applying a runtime patch to numba.

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This is not strictly necessary for 24.12.

@@ -196,7 +195,7 @@ class Aggregation:
# Handling UDF type
nb_type = numpy_support.from_dtype(kwargs['dtype'])
type_signature = (nb_type[:],)
ptx_code, output_dtype = cudautils.compile_udf(op, type_signature)
ptx_code, output_dtype = cudf.utils.cudautils.compile_udf(op, type_signature)
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Config setting needs to be in place before numba.cuda is imported, which otherwise happens here during cython import

@brandon-b-miller brandon-b-miller added feature request New feature or request non-breaking Non-breaking change labels Nov 18, 2024
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feature request New feature or request non-breaking Non-breaking change Python Affects Python cuDF API.
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