Update apiHost in tracker module

The apiHost URL in the event tracker configuration has been updated. This change points our event tracking towards the "firebird.beastful.org" server instead of the previous "sunnypixels.workers.dev" server.

src/assets/js/modules/tracker.js

@@ -4,7 +4,7 @@ import colorScheme from "./_detectColorScheme";
 
 const {trackEvent, trackPageview, enableAutoOutboundTracking} = Plausible({
   domain: "serverless-gems.dev",
-  apiHost: "https://firebird.sunnypixels.workers.dev/api/event",
+  apiHost: "https://firebird.beastful.org/api/event",
 });
 
 document.addEventListener("DOMContentLoaded", () => {