Apply automatic fixes from pre-commit hooks

Author: pre-commit-ci[bot]

esp_idf_monitor/base/binlog.py

@@ -272,7 +272,7 @@ def convert_to_text(self, data: bytes) -> Tuple[List[bytes], bytes]:
     def format_message(self, message: Message) -> bytes:
         text_msg = ArgFormatter().c_format(message.format, message.args)
         level_name = {1: 'E', 2: 'W', 3: 'I', 4: 'D', 5: 'V'}[message.control.level]
-        return f'{level_name} ({message.timestamp}) {message.tag}: {text_msg}\n'.encode('utf-8')
+        return f'{level_name} ({message.timestamp}) {message.tag}: {text_msg}\n'.encode()
 
     def format_buffer_message(self, message) -> List[bytes]:
         text_msg: List[bytes] = []