update authors

Author: feross

AUTHORS.md

@@ -49,5 +49,6 @@
 - Eric Guan (guanzo91@gmail.com)
 - Koushik Dutta (koush@koushikdutta.com)
 - KayleePop (34007889+KayleePop@users.noreply.github.com)
+- Diego Rodriguez Baquero (diego.baquero@pager.com)
 
 #### Generated by tools/update-authors.sh.