Fix paths

Author: mdboom

.github/workflows/coverage.yml

@@ -113,12 +113,12 @@ jobs:
       - name: Build cuda-bindings
         run: |
           cd cuda_bindings
-          .venv/bin/pip install -v . --group test
+          ../.venv/bin/pip install -v . --group test
 
       - name: Build cuda-core
         run: |
           cd cuda_core
-          ./venv/bin/pip install -v . --group test
+          ../.venv/bin/pip install -v . --group test
 
       - name: Install coverage tools
         run: |