Run `git2::Repository::find_remote` in the background (#44092)

We were seeing this hog the main thread.

Release Notes:

- N/A

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Co-authored-by: cameron <cameron.studdstreet@gmail.com>
4ef8433396Cole Miller committed on 12/3/2025, 7:33:40 PM· committed by GitHubparenta51e975
5 files changedLine totals unavailable