### What this PR does / why we need it?
This pr modifies qwen3Next nightly CI config.
(1) Add a nightly CI .
(2) Set a more precise accuracy standard
- vLLM version: v0.18.0
- vLLM main:
6a9cceb219
Signed-off-by: Your Name <you@example.com>
Co-authored-by: Your Name <you@example.com>