Search for cuda_bindings wheel locally

Author: mdboom

.github/workflows/test-wheel-linux.yml

@@ -268,10 +268,12 @@ jobs:
 
       - name: Ensure cuda-python installable
         run: |
+          echo Showing wheels locally in $PWD
+          ls *.whl
           if [[ "${{ matrix.LOCAL_CTK }}" == 1 ]]; then
-            pip install cuda_python*.whl
+            pip install cuda_python*.whl --find-links .
           else
-            pip install $(ls cuda_python*.whl)[all]
+            pip install $(ls cuda_python*.whl)[all] --find-links .
           fi
 
       - name: Install cuda.pathfinder extra wheels for testing