message: zstd 5 -> zstd 9
diff: @@ -154,7 +154,7 @@ impl<'a> Storage<'a> {
  // public for benchmarking
  pub fn compress(content: impl Read) -> Result<Vec<u8>, Error> {
  - zstd::encode_all(content, 5).map_err(Into::into)
  + zstd::encode_all(content, 9).map_err(Into::into)
  }
  pub fn decompress(content: impl Read) -> Result<Vec<u8>, Error> {
  