Terminating `uvw` does not terminate `uv`

### Summary

When `uvw.exe` is terminated, the child process `uv.exe` does not end.

For me, this means that Task Scheduler cannot terminate the Python script as it just terminates `uvw.exe`.

### Platform

Windows

### Version

uv 0.9.21 (0dc9556ad 2025-12-30)

### Python version

_No response_