[btracker-gemini] unexpected cpu usage

The exact reason is unknown. It works for some time, then starts overloading the processor. Currently, all [btracker-gemini](https://github.com/YGGverse/btracker/tree/main/crates/gemini) instances go down until I find the cause - keep this in mind.

<img width="699" height="218" alt="Image" src="https://github.com/user-attachments/assets/92ae628c-13e3-4039-8b63-0ff028f7f13a" />