chore: og image 경로 수정

Author: bellasimi

public/index.html

@@ -14,7 +14,7 @@
     <meta property="og:title" content="🌵 초록 집사" />
     <meta
       property="og:image"
-      content="https://user-images.githubusercontent.com/79133602/176505981-4c2a85af-69a4-454d-b6b4-9fa60ea6ade4.png"
+      content="https://user-images.githubusercontent.com/79133602/176992287-221879b8-8baf-41b8-89bc-6606bb331c0d.png"
     />
     <meta property="og:image:width" content="800" />
     <meta property="og:image:height" content="400" />