Set python version to use in SLURM tests

Signed-off-by: Fabrice Normandin <[email protected]>

Author: lebrice

.github/workflows/build.yml

@@ -138,6 +138,7 @@ jobs:
           version: ${{ env.UV_VERSION }}
           # https://github.com/astral-sh/setup-uv?tab=readme-ov-file#github-authentication-token
           github-token: ${{ secrets.GITHUB_TOKEN }}
+          python_version: "3.12"
       - name: Install dependencies
         run: uv sync --all-extras --frozen
       - name: Show installed packages