Create venv for poetry

Author: vicentepinto98

.github/workflows/sdk-pr.yaml

@@ -65,6 +65,5 @@ jobs:
           GH_TOKEN: ${{ secrets.SDK_PR_TOKEN }}
         run: |
           pip install poetry
-          poetry config virtualenvs.create false
           pip install flake8
           scripts/sdk-create-pr.sh "generator-bot-${{ github.run_id }}" "Generated from GitHub run [${{ github.run_id }}](${{ github.server_url }}/${{ github.repository }}/actions/runs/${{ github.run_id }})" "[email protected]:stackitcloud/stackit-sdk-python.git" "python"