Add release notes for release 1.3.18 (opensearch-project#14699)

zelinh · wangdongyu.danny · commit 74988ae79e17 · 2024-08-22T16:33:06.000+08:00
Signed-off-by: Zelin Hao &lt;zelinhao@amazon.com&gt;
diff --git a/release-notes/opensearch.release-notes-1.3.18.md b/release-notes/opensearch.release-notes-1.3.18.md
@@ -0,0 +1,4 @@
+## 2024-07-09 Version 1.3.18 Release Notes
+
+### Upgrades
+- Bump `netty` from 4.1.110.Final to 4.1.111.Final ([#14356](https://github.com/opensearch-project/OpenSearch/pull/14356))
