ci: incorrect reference to requirements_dev.txt

.github/workflows/test.yml

@@ -28,7 +28,7 @@ jobs:
       - name: Install dependencies
         run: |
           python -m pip install --upgrade pip
-          python -m pip install pytest -r requirements.txt -r requirements-dev.txt
+          python -m pip install pytest -r requirements.txt -r requirements_dev.txt
 
       - name: Compile
         run: python setup.py develop