Add aiuto@google.com to CONTRIBUTORS

Closes #5794.

PiperOrigin-RevId: 208216429
diff --git a/CONTRIBUTORS b/CONTRIBUTORS
index 3d0f809..22fdea5 100644
--- a/CONTRIBUTORS
+++ b/CONTRIBUTORS
@@ -105,3 +105,4 @@
 Klaus Aehlig <aehlig@google.com>
 Robin Nabel <rnabel@ucdavis.edu>
 Jonathan Dierksen <dierksen@google.com>
+Tony Aiuto <aiuto@google.com>