[No QA] Docs updates for E/A#99400 Copilots can't close account owner's account

docs/articles/new-expensify/settings/Act-as-a-Copilot.md

@@ -29,7 +29,7 @@ Depending on the access level assigned to you, you may be able to:
  - Update account, workspace, and domain settings
  - Forward receipts to the account owner's account
 
-Some actions may be restricted if you've been granted Limited Access. 
+Some actions may be restricted if you've been granted Limited Access. A few actions are never available to Copilots, regardless of access level, including closing the account owner's account.
 
 ## How to switch to a Copilot account
 
@@ -85,6 +85,8 @@ A dual-avatar indicator appears in the bottom-left corner when you're viewing an
 
 The account owner may have assigned you Limited Access, which restricts certain approval and payment actions.
 
+Some actions are never available to Copilots, even with Full Access. For example, if you select **Close account** in the account owner's **Security** settings, a message lets you know you don't have permission to take that action.
+
 ## What are the different Copilot access levels?
 
 The account owner chooses your Copilot access level when granting access.