fix: poetry shell activation

.github/workflows/ci-cd.yml

@@ -48,25 +48,22 @@ jobs:
       - name: Install dependencies
         if: steps.cached-poetry-dependencies.outputs.cache-hit != 'true'
         run: |
-            source .venv/bin/activate
+            poetry shell
             poetry install --no-interaction --no-root
       #----------------------------------------------
       # install your root project, if required
       #----------------------------------------------
       - name: Install project
         run: |
-          source .venv/bin/activate
-          poetry install --no-interaction
+            poetry shell
+            poetry install --no-interaction
       #----------------------------------------------
       #              run test suite
       #----------------------------------------------
       - name: Run tests
-        run: |
-          source .venv/bin/activate
-          poetry run pytest .
+        run: poetry run pytest .
       - name: Set build version and build package
         run: |
-          source .venv/bin/activate
           poetry version 0.0.0.alpha${{ github.run_number}}
           poetry build
       - name: Publish package distributions to PyPI