[Question]how can i indicate the specific exceuteble path for chromium

I run the dome code ， but get error info like below, actually , i can run playwright successfully， but get problem with Botright

Installing models/objects.yaml: 100%|██████████████████████████████████████████████████| 3.81k/3.81k [00:00<00:00, 7.93MB/s]
[WARNING] Ungoogled Chromium not found. Recommended for Canvas Manipulation. Download at https://ungoogled-software.github.io/ungoogled-chromium-binaries/
Traceback (most recent call last):
File "/data/xhs-content/demo.py", line 19, in
asyncio.run(main())
File "/usr/lib/python3.10/asyncio/runners.py", line 44, in run
return loop.run_until_complete(main)
File "/usr/lib/python3.10/asyncio/base_events.py", line 649, in run_until_complete
return future.result()
File "/data/xhs-content/demo.py", line 7, in main
botright_client = await botright.Botright()
File "/usr/local/lib/python3.10/dist-packages/async_class.py", line 173, in await
yield from self.create_task(
File "/usr/local/lib/python3.10/dist-packages/botright/botright.py", line 90, in ainit
self.browser = self.get_browser_engine()
File "/usr/local/lib/python3.10/dist-packages/botright/botright.py", line 216, in get_browser_engine
raise EnvironmentError("No Chromium based browser found")
OSError: No Chromium based browser found

Start with demo.py line 7 and botright.py:get_browser_engine, using the traceback to trace how Botright discovers Chromium. Confirm the documented way to provide an executable path and verify that the demo reaches browser startup without the "No Chromium based browser found" error.