fix: update favicon copy to use SVG format for consistency

Author: darmie

.github/workflows/wiki.yml

@@ -95,7 +95,7 @@ jobs:
           cp website/index.html site/index.html
           cp website/og-image.png site/og-image.png
           cp website/favicon.ico site/favicon.ico
-          cp website/favicon.png site/favicon.png
+          cp website/favicon.svg site/favicon.svg
           cp website/apple-touch-icon.png site/apple-touch-icon.png
           cp website/icon-192x192.png site/icon-192x192.png
           cp website/site.webmanifest site/site.webmanifest