update changelog

Author: puredanger

README.md

@@ -66,7 +66,7 @@ Distributed under the Eclipse Public License, the same as Clojure.
 ## Changelog
 
 * next
-  * [ASYNC-252](https://clojure.atlassian.net/browse/ASYNC-252) (CLJ) Move all go runtime code to runtime namespace
+  * [ASYNC-246](https://clojure.atlassian.net/browse/ASYNC-246] (CLJ) Fix non-deterministic test
 * Release 1.6.681 on 2023.08.09
   * Revert [ASYNC-248](https://clojure.atlassian.net/browse/ASYNC-248) (CLJ) due to the issues in [ASYNC-249](https://clojure.atlassian.net/browse/ASYNC-249)
   * Update to tools.analyzer.jvm 1.2.3