chore(vscode): default to ruff formatter

Co-authored-by: steveoh <[email protected]>

.vscode/settings.json

@@ -23,7 +23,7 @@
     "source.organizeImports": "explicit"
   },
   "[python]": {
-    "editor.defaultFormatter": "ms-python.black-formatter",
+    "editor.defaultFormatter": "charliermarsh.ruff",
     "editor.formatOnSave": true
   }
 }