message: fix browser stack icon
diff: @@ -462,7 +462,7 @@ specification. Contributions of any kind welcome!
  ## Testing supported by
  -<img width="200" src="https://marker.io/vendor/img/logo/browserstack-logo.svg" alt="BrowserStack"/>
  +<img width="200" src="https://i.imgur.com/eeuDARI.png" alt="BrowserStack"/>
  ## License
  