Add CUDA 12 GPU workflow and update CUDA versions

Introduces a new GitHub Actions workflow for building RadarSimPy with CUDA 12.9.1 on Ubuntu GPU platforms, supporting both Ubuntu 22.04 and 24.04 with multiple Python versions and build tiers. Updates the existing GPU workflow to use CUDA 13.1.0 and the latest Jimver/cuda-toolkit action. Bumps package version to 14.2.0 in preparation for the new release.

Author: rookiepeng

.github/workflows/release_ubuntu_gpu.yml

@@ -240,9 +240,9 @@ jobs:
           sudo apt-get install -y build-essential
 
       - name: Setup CUDA Toolkit
-        uses: Jimver/cuda-toolkit@v0.2.27
+        uses: Jimver/cuda-toolkit@v0.2.30
         with:
-          cuda: "13.0.0"
+          cuda: "13.1.0"
           method: "network"
           sub-packages: '["nvcc"]'
           linux-local-args: '["--toolkit", "--silent"]'