[Stream] Moving getting started up in sidebar nav (#24020)

Author: ToriLindsay

src/content/docs/stream/uploading-videos/index.mdx

@@ -2,7 +2,7 @@
 title: Upload videos
 pcx_content_type: navigation
 sidebar:
-  order: 1
+  order: 3
 ---
 
 Before you upload your video, review the options for uploading a video, supported formats, and recommendations.