Update CREDITS.md (#5818)

CREDITS.md

@@ -101,6 +101,7 @@ People are sorted by name so please keep this order.
 * [Jules Bertholet](https://github.com/Jules-Bertholet): [contributions](https://github.com/FreshRSS/FreshRSS/pulls?q=is:pr+author:Jules-Bertholet)
 * [Julien Reichardt](https://github.com/j8r): [contributions](https://github.com/FreshRSS/FreshRSS/pulls?q=is:pr+author:j8r), [Web](https://blog.jrei.ch/)
 * [Julien-Pierre Avérous](https://github.com/javerous): [contributions](https://github.com/FreshRSS/FreshRSS/pulls?q=is:pr+author:javerous), [Web](https://www.sourcemac.com/)
+* [Justin Tracey](https://github.com/jtracey): [contributions](https://github.com/FreshRSS/FreshRSS/pulls?q=is:pr+author:jtracey), [Web](https://unsuspicious.click)
 * [Kaibin Yang](https://github.com/SkyYkb): [contributions](https://github.com/FreshRSS/FreshRSS/pulls?q=is:pr+author:SkyYkb), [Web](https://kaibinyang.com/)
 * [Kevin Papst](https://github.com/kevinpapst): [contributions](https://github.com/FreshRSS/FreshRSS/pulls?q=is:pr+author:kevinpapst), [Web](http://www.kevinpapst.de/)
 * [Kiblyn11](https://github.com/Kiblyn11): [contributions](https://github.com/FreshRSS/FreshRSS/pulls?q=is:pr+author:Kiblyn11)