Update pyproject.toml for poetry 2

Author: norkans7

.github/workflows/ci.yml

@@ -22,7 +22,7 @@ jobs:
           virtualenvs-in-project: true
 
       - name: Initialize environment
-        run: poetry install
+        run: poetry install --no-root
 
       - name: Run black
         run: poetry run black temba_client