Update CUDA build workflow with new configurations

Author: chamalgomes

.github/workflows/llama-build-cuda.yaml

@@ -22,7 +22,7 @@ jobs:
           $matrix = @{
               'os' = @('ubuntu-24.04')
               'pyver' = @("3.13")
-              'cuda' = @("12.8.1", "13.0.2")
+              'cuda' = @("13.0.2")
               'releasetag' = @("basic")
           }
 
@@ -113,3 +113,4 @@ jobs:
         with:
           subject-path: 'vendor/llama-cpp-python/dist/*.whl'
 
+