Updated CR docs published

As mentioned on the last call, the CR docs for Publication Manifest and
Audiobooks have now been republished. Substantive changes since the last
release are list in the change logs.[1][2]

 

[1] https://www.w3.org/TR/pub-manifest/#change-log-latest

[2] https://www.w3.org/TR/audiobooks/#change-log-latest

 

Matt