DeviceSerialized.__reduce_ex__: convert frame to numpy arrays

[madsbk]

No description provided.

[codecov-commenter]

Codecov Report

Merging #977 (775352f) into branch-22.10 (603db6a) will not change coverage.
The diff coverage is 0.00%.

❗ Current head 775352f differs from pull request most recent head 7a32e4f. Consider uploading reports for the commit 7a32e4f to get more accurate results

@@              Coverage Diff              @@
##           branch-22.10    #977    +/-   ##
=============================================
  Coverage          0.00%   0.00%            
=============================================
  Files                23      16     -7     
  Lines              3099    2109   -990     
=============================================
+ Misses             3099    2109   -990     

Impacted Files	Coverage Δ
dask_cuda/device_host_file.py	0.00% <0.00%> (ø)
dask_cuda/benchmarks/local_cupy_map_overlap.py
dask_cuda/benchmarks/local_cupy.py
dask_cuda/benchmarks/local_cudf_merge.py
dask_cuda/_version.py
dask_cuda/benchmarks/local_cudf_shuffle.py
dask_cuda/benchmarks/utils.py
dask_cuda/benchmarks/common.py

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[quasiben]

@gpucibot merge

[pentschev]

Thank you @madsbk !

[jakirkham]

Thanks Mads! 🙏