FindCUDA: Find the nvToolsExt and OpenCL libraries

Eyal Rozenbergrequested to merge
eyalroz/cmake:more-libraries-with-findcuda into master

Have FindCUDA find the two libraries nvToolsExt and OpenCL the same way it finds other CUDA-related libraries.

This fixes #19386 (closed), although only in the deprecated way CUDA libraries are detected right now, i.e. through FindCUDA.

Fixes: #19386 (closed)
Topic-rename: FindCUDA-more-libs

Edited by Brad King

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