Add release notes for 1.3.10 (#2778)

Signed-off-by: Ryan Liang <jiallian@amazon.com>

Author: RyanL1997

release-notes/opensearch-security.release-notes-1.3.10.0.md

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+## 2023-05-17 Version 1.3.10.0
+
+Compatible with OpenSearch 1.3.10
+
+### Bug Fixes
+
+* Fix lost privileges during auto initializing of the index ([#2643](https://github.com/opensearch-project/security/pull/2643))
+* Fix NPE and add additional graceful error handling ([#2705](https://github.com/opensearch-project/security/pull/2705))
+
+### Enhancement
+
+* Add chmod 0600 to install_demo_configuration bash script ([#2550](https://github.com/opensearch-project/security/pull/2550))
+* Forcing spring-expression version ([#2711](https://github.com/opensearch-project/security/pull/2711))
+
+### Maintenance
+
+* Update the version of `json-smart` to 2.4.10 and the version of `spring-core` to 5.3.26 ([#2629](https://github.com/opensearch-project/security/pull/2629))
+* Update Certs for SSL ([#2684](https://github.com/opensearch-project/security/pull/2684))