Combine invocations of ruff for src and tests

.justfile

@@ -9,7 +9,5 @@ test-extended:
   pytest tests -m extended
 
 format:
-  ruff check src --select I001 --fix
-  ruff format src/smgdc
-  ruff check tests --select I001 --fix
-  ruff format tests
+  ruff check src tests --select I001 --fix
+  ruff format src tests