Add Needs-Author-Feedback back to triageLabels

Per Trenly's review: Needs-Author-Feedback is only auto-applied on
PR open (localization file changes), not on issue open. It is safe
to have it remove Needs-Triage during issue triage.

Co-authored-by: Copilot <223556219+Copilot@users.noreply.github.com>

Author: denelon