windows: Fix tests on Windows (#22616)

Release Notes:

- N/A

---------

Co-authored-by: Mikayla <mikayla.c.maki@gmail.com>

crates/git/src/blame.rs

@@ -353,7 +353,7 @@ mod tests {
             let want_json =
                 std::fs::read_to_string(&path).unwrap_or_else(|_| {
                     panic!("could not read golden test data file at {:?}. Did you run the test with UPDATE_GOLDEN=true before?", path);
-                });
+                }).replace("\r\n", "\n");
 
             pretty_assertions::assert_eq!(have_json, want_json, "wrong blame entries");
         }