Related to #513
Update the `Sventagliata` card to restrict the secondary target to be at a distance from the first target.
* **backend/bang/expansions/the_valley_of_shadows/cards.py**
- Modify the `play_card` method in the `Sventagliata` class to enforce distance constraints for the secondary target.
- Ensure the secondary target selection logic only includes players at a distance of 1 from the first target.
* **backend/tests/valley_of_shadows_test.py**
- Update the `test_sventagliata` test to verify the secondary target is at a distance from the first target.
- Add assertions to ensure the secondary target is correctly chosen based on the distance constraint.
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For more details, open the [Copilot Workspace session](https://copilot-workspace.githubnext.com/albertoxamin/bang/issues/513?shareId=XXXX-XXXX-XXXX-XXXX).
