Update main image in README.md (#305)

Author: kkajla12

README.md

@@ -1,5 +1,5 @@
 <p align="center">
-    <a href="https://warrant.dev/"><img src="https://warrant.dev/images/logo-primary-wide.png" width="300px" alt="Warrant" /></a>
+    <a href="https://warrant.dev/"><img src="https://warrant.dev/images/og-image.png" alt="Warrant" /></a>
 </p>
 <p align="center">
   <a href="https://warrant.dev/">Website</a> |