Added clause for refused connection on reconnetion

Author: SchuesslingNicolas

custom_components/jablotron80/jablotron.py

@@ -888,6 +888,8 @@ def connect(self) -> None:
 			except serial.SerialException as ex:
 				if "timed out" in f'{ex}':
 					LOGGER.info('Timeout, retrying')
+				elif "Connection refused" in f'{ex}':
+					LOGGER.info('Connection refused by remote host, retrying')
 				else:
 					raise