message: perf(es/minifier): Use `Vec<u8>` as a buffer for `base54`
  Description:
  We are only using ASCII characters so we can avoid utf8 logics by using `Vec<u8>` as a buffer and converting it into `String` at the end.
diff: @@ -24,21 +24,24 @@ pub(crate) fn encode(init: &mut usize, skip_reserved: bool) -> String {
  base <<= 6;
  }
  - let mut ret = String::new();
  + let mut ret = vec![];
  base /= 54;
  - let mut c = BASE54_DEFAULT_CHARS[n / base] as char;
  + let mut c = BASE54_DEFAULT_CHARS[n / base];
  ret.push(c);
  while base > 1 {
  n %= base;
  base >>= 6;
  - c = BASE54_DEFAULT_CHARS[n / base] as char;
  + c = BASE54_DEFAULT_CHARS[n / base];
  ret.push(c);
  }
  - ret
  + unsafe {
  + // Safety: We are only using ascii characters
  + String::from_utf8_unchecked(ret)
  + }
  }
  #[allow(unused)]
  