Use poetry in CI

.github/workflows/flake8_test_coverage.yml

@@ -8,21 +8,18 @@ on:
     branches: [ master ]
 
 jobs:
-  build:
-
+  ci:
     runs-on: ubuntu-latest
-
     steps:
-    - uses: actions/checkout@v3
+    - uses: actions/checkout@v4
     - name: Set up Python 3.10
-      uses: actions/setup-python@v3
+      uses: actions/setup-python@v4
       with:
         python-version: "3.10"
-    - name: Install dependencies
-      run: |
-        python -m pip install --upgrade pip
-        pip install pytest coverage genbadge[all]
-        if [ -f requirements.txt ]; then pip install -r requirements.txt; fi
+    - name: Install poetry
+      uses: abatilo/actions-poetry@v2
+    - name: Install the project dependencies
+      run: poetry install
     - name: Lint with flake8
       run: |
         # stop the build if there are Python syntax errors or undefined names