Update badge to show BrowserStack [no ci]

Author: adriaandotcom

README.md

@@ -5,7 +5,7 @@
 # Scripts
 
 <p><a href="https://github.com/simpleanalytics/scripts/actions">
-  <img src="https://github.com/simpleanalytics/scripts/workflows/SA%20Public%20Scripts%20CI/badge.svg">
+  <img src="https://github.com/simpleanalytics/scripts/workflows/Browserstack/badge.svg">
 </a></p>
 
 Simple Analytics is a privacy-first analytics tool with a strong mission: never invade the privacy of your visitors. We just show you the essentials: page views, referrers, top pages, and devices. We don't use cookies. We don't collect any personal data. So no cookie banners or GDPR to worry about. When a service is free you are the product. We won't ever sell your data. As a result, we require a subscription.