Update Build Status badge in README

Author: Speykious

README.md

@@ -11,7 +11,7 @@
   </div>
 </p>
 
-[Build Status]: https://img.shields.io/github/actions/workflow/status/Speykious/cve-rs/ci.yml?branch=master
+[Build Status]: https://img.shields.io/github/actions/workflow/status/Speykious/cve-rs/ci.yaml?branch=master
 
 **cve-rs** allows you to introduce common memory vulnerabilities (such as buffer overflows and segfaults) into your Rust program in a memory safe manner.