Add aw-auto-update workflow + upgrade to v0.64.4 (#19519)

* Add aw-auto-update workflow for daily gh aw upgrade/compile

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

* Update agentic workflows via gh aw upgrade (v0.64.2 → v0.64.4)

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

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

Author: T-Gro