docs(ansi): use cliffy logo in image example

examples/ansi/image.ts

@@ -2,6 +2,8 @@
 
 import { image } from "@cliffy/ansi/ansi-escapes";
 
-const response = await fetch("https://deno.land/images/hashrock_simple.png");
+const response = await fetch(
+  "https://raw.githubusercontent.com/c4spar/deno-cliffy/main/logo.png",
+);
 const imageBuffer: ArrayBuffer = await response.arrayBuffer();
 console.log(image(imageBuffer));