fix: linting

Author: robgee86

src/arduino/app_internal/core/peripherals/bpp_codec.py

@@ -226,7 +226,7 @@ def decode(self, message: bytes) -> bytes | None:
             elif mode == MODE_NONE:
                 return message[HEADER_SIZE:]
 
-        except InvalidTag as e:
+        except InvalidTag:
             logger.warning(f"Decryption failed: encryption key or data integrity issue")
             return None
         except Exception as e: