Allow int-like objects for the decimals argument in round

[shwina]

No description provided.

[galipremsagar]

rerun tests

[jjacobelli]

rerun tests

[codecov]

Codecov Report

Merging #9428 (2970af8) into branch-21.12 (ab4bfaa) will increase coverage by 0.00%.
The diff coverage is 0.00%.

❗ Current head 2970af8 differs from pull request most recent head e912a4b. Consider uploading reports for the commit e912a4b to get more accurate results

@@              Coverage Diff               @@
##           branch-21.12    #9428    +/-   ##
==============================================
  Coverage         10.79%   10.79%            
==============================================
  Files               116      117     +1     
  Lines             18869    19433   +564     
==============================================
+ Hits               2036     2098    +62     
- Misses            16833    17335   +502     

Impacted Files	Coverage Δ
python/cudf/cudf/__init__.py	0.00% <0.00%> (ø)
python/cudf/cudf/_lib/__init__.py	0.00% <ø> (ø)
python/cudf/cudf/_lib/strings/__init__.py	0.00% <0.00%> (ø)
python/dask_cudf/dask_cudf/sorting.py	93.52% <0.00%> (-0.60%)	⬇️
python/cudf/cudf/io/csv.py	0.00% <0.00%> (ø)
python/cudf/cudf/io/hdf.py	0.00% <0.00%> (ø)
python/cudf/cudf/io/orc.py	0.00% <0.00%> (ø)
python/cudf/cudf/_version.py	0.00% <0.00%> (ø)
python/cudf/cudf/core/abc.py	0.00% <0.00%> (ø)
python/cudf/cudf/api/types.py	0.00% <0.00%> (ø)
... and 62 more

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[galipremsagar]

rerun tests

[galipremsagar]

@gpucibot merge