style: apply rustfmt

Maybe 2024 changes?

Note that we now set `edition = "2024"` explicitly in `rustfmt.toml`.
Without this, it seems like it's possible in some cases for rustfmt to
run under an older edition's style. Not sure how though.

crates/ignore/src/overrides.rs

@@ -8,8 +8,8 @@ line tools.
 use std::path::Path;
 
 use crate::{
-    gitignore::{self, Gitignore, GitignoreBuilder},
     Error, Match,
+    gitignore::{self, Gitignore, GitignoreBuilder},
 };
 
 /// Glob represents a single glob in an override matcher.