update email update verification flow (#24507)

This PR captures updates to email verification flow from app.docker.com

Author: akristen

content/manuals/accounts/manage-account.md

@@ -39,26 +39,18 @@ It may take some time for your avatar to update in Docker.
 To update your email address:
 
 1. Sign in to your [Docker account](https://app.docker.com/login).
-1. Select your avatar in the top-right corner and select **Account settings**.
-1. Select **Email**.
-1. Enter your new email address and your password to confirm the change.
-1. Select **Send verification email**. Docker sends a verification
-link to your new email.
-
-Your new email address will appear as unverified until you complete the
-verification process. You can:
-
-- Resend the verification email if needed.
-- Remove the unverified email address at any time before verification.
+1. Go to **Settings**, then choose **Email**.
+1. Enter your new email address and confirm your identity with your password. Select **Verify email**. 
+1. Go to the new Docker email and copy the 6-digit verification code.
+1. Paste the verification code to complete updating your email. 
 
-To verify your email, open your email client and follow the instructions
-in the Docker verification email.
+Your verification session expires after 15 minutes.
 
 > [!NOTE]
 >
 > Docker accounts only support one verified email address at a time, which
-is used for account notifications and security-related communications. You
-can't add multiple verified email addresses to your account.
+> is used for account notifications and security-related communications. You
+> can't add multiple verified email addresses to your account.
 
 ## Change your password