ci: test import fix

Author: moe-ad

.github/workflows/docs.yml

@@ -123,7 +123,7 @@ jobs:
         uses: ansys/pydpf-actions/[email protected]
 
       - name: "Test import"
-        shell: pwsh
+        shell: bash
         working-directory: tests
         run: |
           python -m pip install dist/${{ steps.wheel.outputs.wheel_name }}[plotting]