add lz4-java to release notes

Author: clintropolis

docs/release-info/release-notes.md

@@ -33,3 +33,6 @@ For information about new features in Druid 35, see the [Druid 35 release notes]
 * Fixed an issue where dropping segments didn't remove the memory mapping of segment files, leaving file descriptors of the deleted files open until the process exits [#18782](https://github.com/apache/druid/pull/18782)
 * Fixed an issue where the URL path for the protobuf input format wasn't loading [#18770](https://github.com/apache/druid/pull/18770)
 
+## Dependency updates
+* Updated lz4-java to 1.8.1 [#18804](https://github.com/apache/druid/pull/18804)
+