Leverage rapids_cython for more automated RPATH handling

[vyasr]

Description

This PR leverages a new feature of rapids-cmake to avoid needing to manually set the RPATHs for all extension modules individually, instead just pointing to a directory once and then letting rapids-cmake automatically handle the rest. This approach is a lot less error-prone since developers do not need to keep track of the relative paths in each CMakeLists.txt file.

Checklist

• I am familiar with the Contributing Guidelines.
• New or existing tests cover these changes.
• The documentation is up to date with these changes.

[codecov]

Codecov Report

Base: 87.40% // Head: 88.11% // Increases project coverage by +0.71% 🎉

Coverage data is based on head (e1e6856) compared to base (f72c4ce).
Patch has no changes to coverable lines.

❗ Current head e1e6856 differs from pull request most recent head 0436cd5. Consider uploading reports for the commit 0436cd5 to get more accurate results

Additional details and impacted files

@@               Coverage Diff                @@
##           branch-22.12   #11996      +/-   ##
================================================
+ Coverage         87.40%   88.11%   +0.71%     
================================================
  Files               133      133              
  Lines             21833    22003     +170     
================================================
+ Hits              19084    19389     +305     
+ Misses             2749     2614     -135     

Impacted Files	Coverage Δ
python/strings_udf/strings_udf/__init__.py	84.31% <0.00%> (-12.57%)	⬇️
python/cudf/cudf/io/text.py	91.66% <0.00%> (-8.34%)	⬇️
python/cudf/cudf/core/_base_index.py	81.28% <0.00%> (-4.27%)	⬇️
python/cudf/cudf/io/json.py	92.06% <0.00%> (-2.68%)	⬇️
python/strings_udf/strings_udf/_typing.py	94.73% <0.00%> (-1.06%)	⬇️
python/cudf/cudf/utils/utils.py	89.91% <0.00%> (-0.69%)	⬇️
python/cudf/cudf/testing/dataset_generator.py	72.83% <0.00%> (-0.42%)	⬇️
python/dask_cudf/dask_cudf/core.py	73.72% <0.00%> (-0.41%)	⬇️
python/cudf/cudf/io/parquet.py	90.45% <0.00%> (-0.39%)	⬇️
python/dask_cudf/dask_cudf/backends.py	84.90% <0.00%> (-0.37%)	⬇️
... and 28 more

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[vyasr]

@gpucibot merge