docs: Change code example for BleakClient.start_notify callback
The type of the first argument to the callback changed from `int` to `BleakGATTCharacteristic` in 0.18.0. The code example is still type hinting it as an int.
@@ -645,7 +645,7 @@ class BleakClient:
.. code-block:: python
- def callback(sender: int, data: bytearray):
+ def callback(sender: BleakGATTCharacteristic, data: bytearray):
print(f"{sender}: {data}")
client.start_notify(char_uuid, callback)
