logo link (#51177) (#51211)

Co-authored-by: Jeff Bruemmer <jeff.bruemmer@gmail.com>

enterprise/frontend/src/embedding-sdk/README.md

 # Metabase embedded analytics SDK
 
-![Metabase logo](../../../../docs/images/metabase-logo.svg)
+![Metabase logo](https://raw.githubusercontent.com/metabase/metabase/refs/heads/master/docs/images/metabase-logo.svg)
 
 > This SDK is in public beta and actively being developed. You can expect some changes to the API, especially during the beta. The SDK currently only works with a Metabase 1.51 or higher.