[AOT Compatible] Add word "AOT" to spelling check allow list. (#36138)

* init

* Add new empty line in the end

* Add Aot to allow list

---------

Co-authored-by: Yu Leng (from Dev Box) <yuleng@microsoft.com>

.github/actions/spell-check/allow/code.txt

@@ -226,3 +226,8 @@ arcosh
 dbus
 anypass
 gpg
+
+# .NET
+
+AOT
+Aot