Release Oak 1.38.0
Update release notes

git-svn-id: https://svn.apache.org/repos/asf/jackrabbit/oak/trunk@1885783 13f79535-47bb-0310-9956-ffa450edef68
diff --git a/RELEASE-NOTES.txt b/RELEASE-NOTES.txt
index 957e789..0bd9c686 100644
--- a/RELEASE-NOTES.txt
+++ b/RELEASE-NOTES.txt
@@ -56,6 +56,7 @@
     [OAK-9311] - oak-search-elastic: use low-level client for critical operations
     [OAK-9316] - Reduce complexity in ExternalGroupPrincipalProvider
     [OAK-9322] - Add reference node id to integrity exception message
+    [OAK-9326] - Provide option to remove target version history from VersionCopier.copyVersionStorage
     [OAK-9333] - Javadoc for PrincipalProvider.getPrincipalProvider is outdated
 
 Task