Update CHANGES.md

Signed-off-by: Andrey Mokhov <andrey.mokhov@gmail.com>

CHANGES.md

@@ -2,7 +2,7 @@ Unreleased
 ----------
 
 - Dune in watch mode no longer builds concurrent rules in serial (#7395
-  @rgrinberg, @jchavarri, @snowleopard)
+  @rgrinberg, @jchavarri, Andrey Mokhov)
 
 - `dune coq top` now correctly respects the project root when called from a
   subdirectory. However, absolute filenames passed to `dune coq top` are no