[coverage]: Use pip to install package

.github/workflows/coverage.yaml

@@ -29,7 +29,7 @@ jobs:
         run: |
           python -m pip install --upgrade pip
           pip install pytest-cov codecov
-          python setup.py develop easy_install "catmux[test]"
+          pip install .[test]
       - name: Test with pytest
         run: |
           pytest --cov=catmux --cov-report=xml .