bpo-39879: Update datamodel docs to include dict ordering (GH-19006)

Co-authored-by: furkanonder <furkantahaonder@gmail.com>
diff --git a/Misc/ACKS b/Misc/ACKS
index a4db5a5..4e4d090 100644
--- a/Misc/ACKS
+++ b/Misc/ACKS
@@ -39,6 +39,7 @@
 Billy G. Allie
 Jamiel Almeida
 Kevin Altis
+Samy Lahfa
 Skyler Leigh Amador
 Joe Amenta
 Rose Ames