docs: fix stale path reference in changelog

clients/python/ → donglora on PyPI

Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com>

CHANGELOG.md

@@ -72,7 +72,7 @@ and this project adheres to [Semantic Versioning](https://semver.org/).
 - Config validation against per-board hardware limits
 - `TX_POWER_MAX` sentinel (`-128`): auto-use the board's maximum TX power
 - Board support: Heltec V3, Heltec V4, RAK WisBlock 4631
-- Python host library (`clients/python/`) with `pip install` and `donglora-mux` CLI
+- Python host library (`donglora` on PyPI) with `pip install` and `donglora-mux` CLI
 - USB multiplexer for sharing one dongle with multiple applications
 - Two-way LoRa bridge over TCP (`examples/lora_bridge.py`)