Relax PIL dependency and remove plotly as it's no longer used (#487)

Co-authored-by: gradio-pr-bot <gradio-pr-bot@users.noreply.github.com>

Author: abidlabs

.changeset/tough-toys-post.md

@@ -0,0 +1,5 @@
+---
+"trackio": minor
+---
+
+feat:Relax `PIL` dependency and remove `plotly` as it's no longer used

trackio/__init__.py

@@ -78,9 +78,9 @@
     "Api",
 ]
 
+Audio = TrackioAudio
 Image = TrackioImage
 Video = TrackioVideo
-Audio = TrackioAudio
 
 
 config = {}