update changelog username

Author: dadansatria

CHANGELOG.md

@@ -3,7 +3,7 @@
 ## 2.0.1 under development
 
 - Bug #1142: Fix `upsert` to use only the first matching unique constraint instead of merging columns from multiple
-  unique constraints, which caused invalid `ON CONFLICT` clause generation in PostgreSQL (@ordivo-056)
+  unique constraints, which caused invalid `ON CONFLICT` clause generation in PostgreSQL (@dadansatria)
 - Bug #1127: Fix `AbstractSchema::hasTable()` and `AbstractSchema::hasView()` methods to support names quoted with curly
   brackets `{{%table}}` (@batyrmastyr)