update timeout message

adafruit_minimqtt/adafruit_minimqtt.py

@@ -930,7 +930,7 @@ def loop(self, timeout: float = 1.0) -> Optional[list[int]]:
         """
         if timeout < self._socket_timeout:
             raise MMQTTException(
-                f"loop timeout ({timeout}) must be bigger "
+                f"loop timeout ({timeout}) must be >= "
                 + f"than socket timeout ({self._socket_timeout}))"
             )