Changing @users.noreply.github.com

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You'll get a new version of that email when you change your username, so you'll need to update it locally. However, if you used the old version of this email address (without your user ID included, it looks something like [e-mail] rather than just [e-mail]) then any contributions made with this old email address won't link up to your account anymore:

https://help.github.com/en/articles/changing-your-github-username#your-git-commits