Update release notes

ziwangj · Yangtao-Hua · commit 82dc72922492 · 2024-11-19T13:08:07.000-08:00
cr: https://code.amazon.com/reviews/CR-160906037
diff --git a/RELEASENOTES.md b/RELEASENOTES.md
@@ -1,5 +1,9 @@
 Latest
 ================
+- Rollback change on adding credential to OpenDataChannel request
+
+1.2.688.0
+================
 - Add credential to OpenDataChannel request
 - Upgrade dependent packages testify-1.9.0 and objx-0.5.2
 
