Update Open Graph image once more

index.html

@@ -14,7 +14,7 @@
     <meta property="og:description" content="Sovereign code infrastructure." />
     <meta
       property="og:image"
-      content="https://app.radicle.xyz/images/radicle-og.png" />
+      content="https://app.radicle.xyz/images/radicle-og-853x853.png" />
 
     <meta name="twitter:card" content="summary_large_image" />
     <meta property="twitter:domain" content="app.radicle.xyz" />
@@ -23,7 +23,7 @@
     <meta name="twitter:description" content="Sovereign code infrastructure." />
     <meta
       name="twitter:image"
-      content="https://app.radicle.xyz/images/radicle-og.png" />
+      content="https://app.radicle.xyz/images/radicle-og-853x853.png" />
 
     <link
       rel="preload"