It doesn't support IPv6 only k8s cluster

[felixls]

Describe the bug
Entrypoint only listen on 0.0.0.0 where should be ::

Screenshots or console output

Kokoro-FastAPI/docker/scripts/entrypoint.sh

Line 8 in 88dcf00

exec uv run --extra $DEVICE --no-sync python -m uvicorn api.src.main:app --host 0.0.0.0 --port 8880 --log-level debug

Branch / Deployment used
master

Operating System
Linux, containerd or docker with IPv6 only networking.

Additional context