Update BACKERS.md

Author: phpstan-bot

BACKERS.md

@@ -132,7 +132,7 @@ the logo of your company in PHPStan's README and the website.
 <li><a href="https://github.com/ScottHelme">Scott Helme (ScottHelme)</a></li>
 <li><a href="https://github.com/aspirantzhang">Aspirant Zhang (aspirantzhang)</a></li>
 <li><a href="https://github.com/oliverklee">Oliver Klee (oliverklee)</a></li>
-<li><a href="https://github.com/gogaille">Gogaille (gogaille)</a></li>
+<li><a href="https://github.com/encore-mieux">Encore Mieux (encore-mieux)</a></li>
 <li><a href="https://github.com/andrewwoods">Andrew Woods (andrewwoods)</a></li>
 <li><a href="https://github.com/acelaya">Alejandro Celaya (acelaya)</a></li>
 <li><a href="https://github.com/eliashaeussler">Elias Häußler (eliashaeussler)</a></li>