adding install dev dependence in ci

Author: aysim319

.github/workflows/python-ci.yml

@@ -56,6 +56,7 @@ jobs:
         run: |
           python -m pip install --upgrade pip
           pip install pylint pytest pydocstyle wheel
+          pip install -e '../_delphi_utils_python/.[dev]'
       - name: Install
         run: |
           make install-ci