Adds 1.3.10 release notes (#7624)

Signed-off-by: Ryan Bogan <[email protected]>

release-notes/opensearch.release-notes-1.3.10.md

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+## 2023-05-18 Version 1.3.10 Release Notes
+
+### Upgrades
+- Upgrade Netty from 4.1.90.Final to 4.1.91.Final , ASM 9.4 to ASM 9.5, ByteBuddy 1.14.2 to 1.14.3 ([#6981](https://github.com/opensearch-project/OpenSearch/pull/6981))
+- Upgrade `org.gradle.test-retry` from 1.5.1 to 1.5.2
+- Upgrade `org.apache.hadoop:hadoop-minicluster` from 3.3.4 to 3.3.5
+- OpenJDK Update (April 2023 Patch releases) [#7449](https://github.com/opensearch-project/OpenSearch/pull/7449)
+- Upgrade `net.minidev:json-smart` from 2.4.7 to 2.4.10
+
+### Bug Fixes
+- Avoid negative memory result in IndicesQueryCache stats calculation ([#6917](https://github.com/opensearch-project/OpenSearch/pull/6917))