Correct Ruff Line Too Long Error

Adjusted formatting to resolve the ruff E501 Error.

Author: ch4nsuk3

adafruit_minimqtt/adafruit_minimqtt.py

@@ -865,8 +865,8 @@ def unsubscribe(  # noqa: PLR0912, Too many branches
                         self._subscribed_topics.remove(t)
                     return
                 if op != MQTT_PUBLISH:
-                    # [3.10.4] The Server may continue to deliver existing messages buffered for delivery
-                    # to the client prior to sending the UNSUBACK Packet.
+                    # [3.10.4] The Server may continue to deliver existing messages buffered
+                    # for delivery to the client prior to sending the UNSUBACK Packet.
                     raise MMQTTException(
                         f"invalid message received as response to UNSUBSCRIBE: {hex(op)}"
                     )