move actions to poetry

Author: bmtgoncalves

.github/workflows/python-package.yml

@@ -26,7 +26,9 @@ jobs:
         python-version: ${{ matrix.python-version }}
     - name: Install dependencies
       run: |
-            poetry install
+        python -m pip install --upgrade pip
+        python -m pip install flake8 pytest poetry
+        poetry install
     - name: Lint with flake8
       run: |
         # stop the build if there are Python syntax errors or undefined names