update ms.date

Update the date for adding GitHub accounts to keychain.

Author: anandmeg

docs/ide/work-with-github-accounts.md

@@ -1,6 +1,6 @@
 ---
 title: Add GitHub accounts to your keychain
-ms.date: 05/13/2025
+ms.date: 07/29/2025
 ms.topic: how-to
 description: Add your public GitHub or GitHub Enterprise account to your Visual Studio keychain so you can track code changes in GitHub repositories from Visual Studio.
 author: anandmeg