Set up LD_LIBRARY_PATH

Author: namannimmo10

.github/workflows/httomolibgpu_tests_run_iris.yml

@@ -14,6 +14,7 @@ jobs:
       image: nvidia/cuda:12.6.3-devel-ubi8
       env:
         NVIDIA_VISIBLE_DEVICES: ${{ env.NVIDIA_VISIBLE_DEVICES }}
+      options: --gpus all --runtime=nvidia
 
     defaults:
       run:
@@ -23,6 +24,10 @@ jobs:
       - name: Checkout repository code
         uses: actions/checkout@v4
 
+      - name: Set up CUDA environment
+        run: |
+          echo "LD_LIBRARY_PATH=/usr/local/cuda/lib64:$LD_LIBRARY_PATH" >> $GITHUB_ENV
+
       - name: Create conda environment
         uses: mamba-org/setup-micromamba@v1
         with: