Update contributors list

Author: System-Glitch

README.md

@@ -728,6 +728,7 @@ A big "Thank you" to the Goyave contributors:
 - [Louis Laurent](https://github.com/ulphidius) ([`gyv`](https://github.com/go-goyave/gyv) productivity CLI)
 - [Clement3](https://github.com/Clement3) (`search` feature on [`goyave.dev/filter`](https://github.com/go-goyave/filter))
 - [Darkweak](https://github.com/darkweak) (`HTTP cache, RFC compliant` middleware based on [Souin HTTP cache system](https://github.com/darkweak/souin))
+- [Jason C Keller](https://github.com/imuni4fun) (Testify interface compatibility)
 
 ## Used by