Build fail due to libgit2-sys version dependency [macOS]

[heliostatic]

Describe the bug
The current stable version of libgit2 in Homebrew is 1.5.2 which doesn't satisfy the max version of 1.5.1 for git2 the build dependencies.

This should be resolved by rust-lang/git2-rs#935 which @extrawurst is definitely aware of :)

Context (please complete the following information):

• OS/Distro + Version: macOS 13.2.1
• GitUI: master
• Rust version: 1.67.1

[stale]

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