[docs] Fix incorrect docker inspect example

Fixed incorrect `docker inspect` example in docs.
Verify by running the old and new commands.

fixes #31900

Signed-off-by: David Xia <dxia@spotify.com>
Upstream-commit: 5840993e1c
Component: cli

components/cli/docs/reference/commandline/inspect.md

@@ -84,7 +84,7 @@ $ docker inspect --format='{{.LogPath}}' $INSTANCE_ID
 ### Get an instance's image name
 
 ```bash
-$ docker inspect --format='{{.Container.Spec.Image}}' $INSTANCE_ID
+$ docker inspect --format='{{.Config.Image}}' $INSTANCE_ID
 ```
 
 ### List all port bindings