docs: fix ESLint logo (#608)

Author: Belco90

README.md

@@ -1,6 +1,6 @@
 <div align="center">
   <a href="https://eslint.org/">
-    <img width="150" height="150" src="https://eslint.org/assets/img/logo.svg">
+    <img width="150" height="150" src="https://raw.githubusercontent.com/eslint/eslint/main/docs/src/static/favicon.png">
   </a>
   <a href="https://testing-library.com/">
     <img width="150" height="150" src="https://raw.githubusercontent.com/testing-library/dom-testing-library/master/other/octopus.png">