Update transcription progress: 304240 files processed

transcription_progress.json

@@ -1,3 +1,3 @@
 version https://git-lfs.github.com/spec/v1
-oid sha256:bc61f3a5cfb06178ff2eb474a64899a8e06bb1168382b6159e3313f18cdfc5b0
-size 24533310
+oid sha256:fbaebb0666ae4057b4f8e00969e06c0fddc906fec754a0f2042fb617af0f6d03
+size 24549409