Update ruff to 0.9 (#1482)

Ruff 0.9 contains a number of formatter changes for the 2025 style guide.
Update to `ruff>=0.9.0` and apply the formatter fixes.
https://astral.sh/blog/ruff-v0.9.0

kasa/protocols/iotprotocol.py

@@ -30,7 +30,7 @@ def _mask_children(children: list[dict[str, Any]]) -> list[dict[str, Any]]:
     def mask_child(child: dict[str, Any], index: int) -> dict[str, Any]:
         result = {
             **child,
-            "id": f"SCRUBBED_CHILD_DEVICE_ID_{index+1}",
+            "id": f"SCRUBBED_CHILD_DEVICE_ID_{index + 1}",
         }
         # Will leave empty aliases as blank
         if child.get("alias"):

kasa/protocols/smartprotocol.py

@@ -236,7 +236,7 @@ class SmartProtocol(BaseProtocol):
 
             smart_params = {"requests": requests_step}
             smart_request = self.get_smart_request(smart_method, smart_params)
-            batch_name = f"multi-request-batch-{batch_num+1}-of-{int(end/step)+1}"
+            batch_name = f"multi-request-batch-{batch_num + 1}-of-{int(end / step) + 1}"
             if debug_enabled:
                 _LOGGER.debug(
                     "%s %s >> %s",