Add AAC support and update version

This commit adds support for AAC audio decoding via the fdk-aac library, including:
- New AAC decoder module (ADTS streaming)
- Integration into the autodetection system
- Support for AAC in transcoding
- Updated version to 0.3.23
- Added necessary dependencies in Cargo.toml and Cargo.lock
- Added tests for AAC decoding

pmoflac/src/transcode.rs

@@ -31,6 +31,7 @@ pub enum AudioCodec {
     OggOpus,
     Wav,
     Aiff,
+    Aac,
 }
 
 /// Options controlling how the transcoder operates.
@@ -195,6 +196,9 @@ where
         DecodedAudioStream::Aiff(stream) => {
             transcode_from_decoded(AudioCodec::Aiff, stream, options.encoder_options).await
         }
+        DecodedAudioStream::Aac(stream) => {
+            transcode_from_decoded(AudioCodec::Aac, stream, options.encoder_options).await
+        }
     }
 }