Added release notes for OS-cross-cluster-replication_2.13.0 (#1353)

Signed-off-by: Mohit Kumar <mohitamg@amazon.com>
(cherry picked from commit 3e35b09)

Author: mohitamg

release-notes/opensearch-cross-cluster-replication.release-notes-2.13.0.0.md

@@ -0,0 +1,11 @@
+## Version 2.13.0 Release Notes
+
+Compatible with OpenSearch 2.13.0
+
+## Security Fixes
+
+* Bumped up to latest version of ipaddress library ([#1339](https://github.com/opensearch-project/cross-cluster-replication/pull/1339))
+
+## Maintenance
+
+* Updated lucene snapshot location to prevent builds to fail between file deletion and re-upload when snapshots are updated ([#1351](https://github.com/opensearch-project/cross-cluster-replication/pull/1351))