fix: remove invalid cli-proxy tool property to fix compilation

Agent-Logs-Url: https://github.com/githubnext/agentic-ops/sessions/f8775772-eb26-4c9b-95c4-399f78630baa

Co-authored-by: mnkiefer <8320933+mnkiefer@users.noreply.github.com>

Author: Copilot

workflows/copilot-token-audit.md

@@ -12,7 +12,6 @@ permissions:
 tracker-id: copilot-token-audit
 engine: copilot
 tools:
-  cli-proxy: true
   agentic-workflows:
   bash:
     - "*"

workflows/copilot-token-optimizer.md

@@ -12,7 +12,6 @@ permissions:
 tracker-id: copilot-token-optimizer
 engine: copilot
 tools:
-  cli-proxy: true
   github:
     mode: gh-proxy
     toolsets: [issues]