Add manager: eliotgra to globalMetadata in docfx.json

Agent-Logs-Url: https://github.com/MicrosoftDocs/windows-powershell-docs/sessions/f347338c-b1c2-433c-afa5-554b3616cf79

Co-authored-by: robinharwood <19212983+robinharwood@users.noreply.github.com>

Author: Copilot

docset/docfx.json

@@ -72,6 +72,7 @@
       ],
       "feedback_product_url": "https://support.microsoft.com/windows/send-feedback-to-microsoft-with-the-feedback-hub-app-f59187f8-8739-22d6-ba93-f66612949332",
       "feedback_system": "Standard",
+      "manager": "eliotgra",
       "ms.author": "roharwoo",
       "ms.devlang": "powershell",
       "ms.service": "windows-11",