Update team-triage-package.yml

@m_gill replaces @DouweM on the triage packs. I continue to actually handle the delegated work.

Consider adding documentation to the handbook pages for Triage Operations when creating a new triage policy or triage package:

• https://gitlab.com/gitlab-com/www-gitlab-com/blob/master/source/handbook/engineering/quality/triage-operations/index.html.md