cp cuda-11.3.1-0.build.sh cuda-11.5.2-0.build.sh

The cudnn-package has changed the layout a bit, also the
library dir has switched from lib64 to lib (I'm curious when
there will be a consistent layout)

Concerning 'TensorRT...>>>cuda-11.6<<<.cudnn8.3.tar.gz
The full description reads:

     TensorRT 8.4 EA for Linux x86_64 and CUDA 11.0, 11.1,
              11.2, 11.3, 11.4, 11.5 and 11.6

So it should be safe to use it, albeit it looks like an error.

Plugging the CUDA-suite together resembles more and more
the clutter known from GTK.

cuda-XY_linux.run is the only package that can be downloaded w/o
a developer account. For the sake of consistency this option is
dropped.