parsing special characters in strings produces invalid results

[universalmind303]

Originally reported via pola-rs/polars#8424

[dependencies]
json-deserializer = "0.4.4"

use json_deserializer::Value;

fn main() {
    let expected = "你好，polars。\n";
    let json_data = format!(r#""你好，polars。\n""#);
    let bytes = json_data.as_bytes();
    let v = json_deserializer::parse(&bytes).unwrap();
    if let Value::String(s) = v {
        assert_eq!(s.as_ref(), expected)
    }
}

thread 'main' panicked at 'assertion failed: `(left == right)`
  left: `"ä½\u{a0}好ï¼\u{8c}polarsã\u{80}\u{82}\n"`,
 right: `"你好，polars。\n"`', src/main.rs:13:9