message: pedersen_hash: show a tighter limit for hash sizes
diff: @@ -215,7 +215,7 @@ mod test {
  let params = &JubjubBls12::new();
  let mut input: Vec<bool> = vec![];
  - for i in 0..(63*3*4+1) {
  + for i in 0..(63*3*4-6+1) {
  input.push(true);
  }
  