Add missing change note

Author: malthe

CHANGES.md

@@ -1,14 +1,16 @@
 In next release ...
 
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-
 ## v2.0.3 (2024-06-15)
 
 - Fix issue where larger results would sometimes have duplicates (#122).
 
 - Fixed an issue where the result row array type would use the record generic
   as the value type instead of `any` which was incorrect.
 
+- The `DatabaseError`, `ErrorLevel`, and `TransactionStatus` symbols
+  are no longer exported using `type` (which was incorrect given that you want
+  to be able to use `instanceof` and extract information).
+
 ## v2.0.2 (2024-04-12)
 
 - Fix SSL configuration issue where the `ssl` configuration option was not