fix: update favicon link to use SVG format for better quality

Author: darmie

website/index.html

@@ -31,7 +31,7 @@
 
   <!-- Favicon & Icons -->
   <link rel="icon" href="/favicon.ico" sizes="32x32">
-  <link rel="icon" href="/favicon.png" type="image/png" sizes="32x32">
+  <link rel="icon" href="/favicon.svg" type="image/svg+xml" sizes="32x32">
   <link rel="apple-touch-icon" href="/apple-touch-icon.png">
   <link rel="manifest" href="/site.webmanifest">