poetry: fix venv location (#23)

Author: gaelgatelement

action.yml

@@ -85,7 +85,8 @@ runs:
     # Again, we're following snok/install-poetry's README.
     - name: Locate poetry venv
       id: poetry-venvs
-      run: echo "dir=$(python -m poetry config virtualenvs.path)" >> "$GITHUB_OUTPUT"
+      run: |
+        echo "dir=$(python -m poetry env info -p || echo $(pwd)/.venv)" >> "$GITHUB_OUTPUT"
       shell: bash
       working-directory: ${{ inputs.working-directory }}