Fix default min length

[akhoroshev]

When passing 1 to the minimum length I expect at least 1 NOT eof token.

But since 1 is the default value minLengths tensor is nullptr and penalty does't work.

[akhoroshev]

@nv-guomingz

[nv-guomingz]

@nv-guomingz

Thanks for your patience, We'll start integration and verification soon.

[akhoroshev]

@nv-guomingz ping :)

[karljang]

/bot run

[venkywonka]

/bot run

[tensorrt-cicd]

PR_Github #15675 [ run ] triggered by Bot

[tensorrt-cicd]

PR_Github #15675 [ run ] completed with state FAILURE /LLM/main/L0_MergeRequest_PR pipeline #11795 completed with status: 'FAILURE'