Pin git2 to a lower version

Author: orf

Cargo.lock

@@ -28,7 +28,8 @@ atomic-counter = "1.0.1"
 ureq = { version = "2.4.0", features = ["json"] }
 serde_json = "1.0.81"
 globset = "0.4.6"
-git2 = "0.14.0"
+# Workaround for https://github.com/rust-lang/git2-rs/issues/838
+git2 = "<0.14.3"
 
 [target."cfg(unix)".dependencies]
 expanduser = "1.2.1"