aws_transcriber: fix CRC check

This was broken when porting to crc 2, based on:

mrhooray/crc-rs#62 (comment)

> CRC_32_BZIP2 is a different algorithm from CRC_32_IEEE, try CRC_32_ISO_HDLC instead.

The correct algorithm for replacing checksum_ieee is not CRC_32_BZIP2.

Part-of: <https://gitlab.freedesktop.org/gstreamer/gst-plugins-rs/-/merge_requests/555>

net/rusoto/src/aws_transcriber/packet/mod.rs

@@ -23,7 +23,7 @@ use nom::{
 use std::borrow::Cow;
 use std::io::{self, Write};
 
-const CRC: crc::Crc<u32> = crc::Crc::<u32>::new(&crc::CRC_32_BZIP2);
+const CRC: crc::Crc<u32> = crc::Crc::<u32>::new(&crc::CRC_32_ISO_HDLC);
 
 #[derive(Debug)]
 struct Prelude {