### What this PR does / why we need it?
Update the gpu-memory-utilization parameter to 0.7
- vLLM version: v0.12.0
- vLLM main:
ad32e3e19c
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Signed-off-by: ming1212 <2717180080@qq.com>
Signed-off-by: ming1212 <104972349+ming1212@users.noreply.github.com>
Signed-off-by: Mengqing Cao <cmq0113@163.com>
Co-authored-by: Mengqing Cao <cmq0113@163.com>