Update mascot

Author: dtolnay

README.md

@@ -1,5 +1,5 @@
-Anyhow ¯\\\_(ツ)\_/¯
-=========================
+Anyhow ¯\\\_(°ペ)\_/¯
+==========================
 
 [<img alt="github" src="https://img.shields.io/badge/github-dtolnay/anyhow-8da0cb?style=for-the-badge&labelColor=555555&logo=github" height="20">](https://github.com/dtolnay/anyhow)
 [<img alt="crates.io" src="https://img.shields.io/crates/v/anyhow.svg?style=for-the-badge&color=fc8d62&logo=rust" height="20">](https://crates.io/crates/anyhow)