Nodegit - Fixes getRemotes return type

[tomwagner]

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[typescript-bot]

@tomwagner Thank you for submitting this PR!

🔔 @dolanmiu @tniessen - please review this PR in the next few days. Be sure to explicitly select Approve or Request Changes in the GitHub UI so I know what's going on.

If no reviewer appears after a week, a DefinitelyTyped maintainer will review the PR instead.

[dolanmiu]

thanks looks good

[typescript-bot]

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