Add target libraries/executables to executable's RPATH

[billysuh7]

Checklist

• Used a personal fork of the feedstock to propose changes
• Bumped the build number (if the version is unchanged)
• Reset the build number to 0 (if the version changed)
• Re-rendered with the latest conda-smithy (Use the phrase @conda-forge-admin, please rerender in a comment in this PR for automated rerendering)
• Ensured the license file is being packaged.

xref: conda-forge/cuda-feedstock#10

There is only one DSO lib to patch, libnvidia-ml.so.
Also this file will have a symlink as shown below.

From $PREFIX/lib/stub/,

libnvidia-ml.so -> ../../targets/x86_64-linux/lib/stubs/libnvidia-ml.so*

[conda-forge-admin]

Hi! This is the friendly automated conda-forge-linting service.

I just wanted to let you know that I linted all conda-recipes in your PR (recipe/meta.yaml) and found it was in an excellent condition.