update social-preview width and height

Author: AnthonyFinney

index.html

@@ -27,8 +27,8 @@
             property="og:image"
             content="https://anthonyfinney.is-a.dev/assets/social-preview-v2.png"
         />
-        <meta property="og:image:width" content="2400" />
-        <meta property="og:image:height" content="1260" />
+        <meta property="og:image:width" content="1200" />
+        <meta property="og:image:height" content="630" />
 
         <meta name="twitter:card" content="summary_large_image" />
         <meta