Prefix all warns/errors with seqinspector

[![suggestion(non-blocking)](https://img.shields.io/badge/suggestion-non--blocking-9CA3AF?labelColor=3B82F6)](https://pullpo.io/cc?l=suggestion&d=non-blocking) 
Prefix all warns/errors with `[nf-core/seqinspector]` to make it clear where the warning/error are the coming from

_Originally posted by @jfy133 in https://github.com/nf-core/seqinspector/pull/209#discussion_r2965544999_
            