Audio subtitles (#11763)
* track
* caption
* audio subtitles
* add changeset
* fixes
* fix
* fix
* fix
* changes
* update demo
* notebook
* fixes
* subtitles font fix
* test fixes
* template fix
* audio test
* Update gradio/components/audio.py
Co-authored-by: Freddy Boulton <41651716+freddyaboulton@users.noreply.github.com>
* fixes
* change
* remove line
* json
* format
* test fix
* fix
---------
Co-authored-by: gradio-pr-bot <gradio-pr-bot@users.noreply.github.com>
Co-authored-by: Abubakar Abid <abubakar@huggingface.co>
Co-authored-by: Freddy Boulton <41651716+freddyaboulton@users.noreply.github.com>
