Update workflows.yaml

Removed check for torch 2.0.0 and 2.1.0 for Python version 3.12.0. 
pytorch/pytorch#110436

.github/workflows/workflows.yaml

@@ -28,7 +28,12 @@ jobs:
 
       - name: Install PyTorch ${{ matrix.torch-version }}+cpu
         run: |
-          pip install torch==${{ matrix.torch-version}} torchvision==${{ matrix.torchvision-version}} --index-url https://download.pytorch.org/whl/cpu
+          #Skipping Torch version 2.0.0 or 2.1.0 for Python version 3.12.0. See here: https://github.com/pytorch/pytorch/issues/110436
+          if [[ "${{ matrix.python-version }}" == "3.12" && ("${{ matrix.torch-version }}" == "2.0.0" || "${{ matrix.torch-version }}" == "2.1.0") ]]; then
+            echo "Skipping PyTorch version ${{ matrix.torch-version }} for Python version 3.12.0"
+          else
+            pip install torch==${{ matrix.torch-version}} torchvision==${{ matrix.torchversion-version}} --index-url https://download.pytorch.org/whl/cpu
+          fi
       - name: Install internal dependencies
         run: |
           pip install pyg_lib torch_scatter torch_sparse torch_cluster torch_spline_conv -f https://data.pyg.org/whl/torch-${{ matrix.torch-version}}+cpu.html