Use Python 3.12 to run OS LLVM workflow

Author: oleksandr-pavlyk

.github/workflows/os-llvm-sycl-build.yml

@@ -100,7 +100,7 @@ jobs:
       - name: Setup Python
         uses: actions/setup-python@v5
         with:
-          python-version: '3.11'
+          python-version: '3.12'
           architecture: x64
 
       - name: Install dpctl dependencies