build: disable poetry package-mode for non-package app

Author: COT-WORLD

.github/workflows/github-actions-CI-CD.yml

@@ -41,7 +41,7 @@ jobs:
           virtualenvs-create: true
           virtualenvs-in-project: true
       - name: install all dependencies
-        run: poetry install --no-interaction
+        run: poetry install --no-interaction --no-root
       - name: Testing with pytest
         run: poetry run pytest -v -s