[Chapel Merge] Update Nvidia GPU testing to CUDA 12.9

Branch: refs/heads/main
Revision: 3225eb4b0408ca32181a606cf4cca21715762070
Author: arifthpe
Link: Update Nvidia GPU testing to CUDA 12.9 by arifthpe · Pull Request #28800 · chapel-lang/chapel · GitHub
Log Message:
Update Nvidia GPU testing to CUDA 12.9 (#28800)

Update our CUDA 12 test configs from 12.8 to 12.9.

Also updates comments about outdated machine drivers (no longer the
case) and the default CUDA module version.

[reviewed by @jabraham17 , thanks!]

Compare: Comparing c4c1b0ed4fc846daa15198b6557f01e2711bba01...5b94b7016cd398d63ca12636298b666a3a7ba1d8 · chapel-lang/chapel · GitHub

Diff:
M doc/rst/technotes/gpu.rst
M util/cron/common-gpu-nvidia-hpe-cray-ex-cuda-12.bash
https://github.com/chapel-lang/chapel/pull/28800.diff