複数のアカウントの管理 - GitHub ドキュメントIf the output confirms that you're using a credential manager, clear the stored credentials for the credential manager. If the output doesn't include the name of a credential manager, there is no credential manager configured, and you can proceed to the next step. If the output is osxkeychain, you're using the macOS keychain. To clear the credentials, you can use the credential helper on the comma
