readme: fix DVC icon

README.md

@@ -34,9 +34,10 @@ Specifically:
 - Adds a [DVC panel] to the _Source Control_ view to list the [workspace
   status]. You can [restore] or reset project versions (based on the current Git
   `HEAD` commit) as well as [manage new and existing data] from here.
-- Adds a brand-new [DVC View]
-  (<img src="docs/dvc.png" alt="DVC icon" height="1em"/> in the Activity Bar)
-  with panels to visualize and manage [DVC Experiments].
+- Adds a brand-new [DVC View] (<img
+  src="https://user-images.githubusercontent.com/1477535/171570901-9012413c-f0bb-41d9-9a45-2653b4e3f1fe.png"
+  alt="DVC logo" style="height: 1em;"/> icon in the Activity Bar) with panels to
+  visualize and manage [DVC Experiments].
 - Registers several [commands] in the _Command Palette_.
 - Includes a [DVC channel] for the _Output_ panel (useful for
   [debugging](#debugging)).