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46f0121e - [EDI] Update "Changing your GitHub username" (#57489)

[EDI] Update "Changing your GitHub username" (#57489) Co-authored-by: Copilot <175728472+Copilot@users.noreply.github.com> Co-authored-by: Anne-Marie <102995847+am-stead@users.noreply.github.com>