fix(deps): update rust crate gix-diff to 0.67

Author: ferrlabs-renovate[bot]

Cargo.lock

@@ -53,7 +53,7 @@ clap_complete = { version = "4", optional = true }
 colored = { version = "3", optional = true }
 gix = { version = "0.86", default-features = false, features = ["sha1", "max-performance-safe", "revision"], optional = true }
 gix-traverse = { version = "0.60", optional = true }
-gix-diff = { version = "0.66", default-features = false, features = ["sha1"], optional = true }
+gix-diff = { version = "0.67", default-features = false, features = ["sha1"], optional = true }
 ureq = { version = "3", features = ["json"], optional = true }
 # YAML source configs for `ferrflow migrate` (cli-only). Maintained serde_yaml fork.
 serde_norway = { version = "0.9", optional = true }