Update dependency installation in coverage workflow

.github/workflows/coverage.yml

@@ -22,7 +22,9 @@ jobs:
 
       - name: Install dependencies
         run: |
-          pip install -r requirements.txt
+          python -m pip install --upgrade pip
+          python -m pip install poetry
+          poetry install --with dev
           pip install genbadge[coverage]
 
       - name: Run tests and generate coverage report