v0.13.0 fixes for windows build, cuuid, LaunchConfig & breaking changes for nccl/cudnn

What's Changed

• fix runtime/result.rs import_external_memory_opaque_win32() bug by @guyoung in #305
• Elazarl/feature/cuuuid by @elazarl in #303
• Fix redundant bug in LaunchConfig::for_num_elems by @coreylowman in #309
• [Breaking - cudnn::result apis] Adds missing unsafe fn declarations in cudnn::result by @coreylowman in #310
• [Breaking] &Option<T> -> Option<&T> in nccl broadcast. Add Option argument to nccl reduce. by @coreylowman in #292

New Contributors

• @guyoung made their first contribution in #305
• @elazarl made their first contribution in #303

Full Changelog: v0.12.2...v0.13.0