Update to git2 0.20.1 (#26972)

Switch back to git2 releases after
https://github.com/rust-lang/git2-rs/pull/1120 got merged in 0.20.1

Release Notes:

- N/A

tidely committed 1y ago

a5621662b274c97977ec50c31567c84d73b152bc

Parent: b6198ad

Committed by GitHub <noreply@github.com> on 3/18/2025, 8:05:15 AM