Update testing.yml

.github/workflows/testing.yml

@@ -33,7 +33,7 @@ jobs:
     - name: Install dependencies
       run: |
         python -m pip install --upgrade pip
-        pip install numpy
+        pip install numpy==1.26
         pip install torch==2.3.0 --index-url https://download.pytorch.org/whl/cpu
         pip install torch_geometric
         pip install torch_scatter torch_sparse torch_cluster torch_spline_conv -f https://data.pyg.org/whl/torch-2.3.0+cpu.html