fix(landing): replace default Astro favicon with urBackend logo and add cache buster

Author: yash-pouranik

apps/landing/public/favicon.svg

@@ -32,10 +32,10 @@ const jsonLd = structuredData || defaultStructuredData;
   <Analytics />
   <meta charset="UTF-8" />
   <meta name="viewport" content="width=device-width, initial-scale=1.0" />
-  <link rel="icon" type="image/svg+xml" href="/favicon.svg" />
-  <link rel="icon" type="image/x-icon" href="/favicon.ico" />
-  <link rel="icon" type="image/png" href="/LOGO_SQ.png" />
-  <link rel="apple-touch-icon" href="/LOGO_SQ.png" />
+  <link rel="icon" type="image/x-icon" href="/favicon.ico?v=2" />
+  <link rel="icon" type="image/png" sizes="32x32" href="/favicon.ico?v=2" />
+  <link rel="icon" type="image/png" sizes="192x192" href="/LOGO_SQ.png?v=2" />
+  <link rel="apple-touch-icon" href="/LOGO_SQ.png?v=2" />
   <title>{title}</title>
   <meta name="description" content={description} />
   <meta name="keywords" content={metaKeywords} />