[pathfinder] Add DynamicLibUnknownError, DynamicLibNotAvailableError and prepare for v1.4.0 release#1688

rwgk merged 4 commits intoNVIDIA:mainNVIDIA/cuda-python:mainfrom

rwgk:DynamicLibUnknownErrorrwgk/cuda-python:DynamicLibUnknownErrorCopy head branch name to clipboard