rename mascot

Author: Konstantin Pavlov

README.md

@@ -5,7 +5,7 @@
 [![Java CI with Maven](https://github.com/kpavlov/await4j/actions/workflows/maven.yml/badge.svg)](https://github.com/kpavlov/await4j/actions/workflows/maven.yml)
 [![CodeQL](https://github.com/kpavlov/await4j/actions/workflows/github-code-scanning/codeql/badge.svg)](https://github.com/kpavlov/await4j/actions/workflows/github-code-scanning/codeql)
 
-![awaiting.webp](awaiting.webp)
+![awaiting.webp](mascot.webp)
 _Simplify Java async programming with virtual threads using an async/await style API._
 
 ## TL;DR: Features