update changelog

Author: razvan

CHANGELOG.md

@@ -12,6 +12,7 @@ All notable changes to this project will be documented in this file.
   - Use `--console-log-format` (or `CONSOLE_LOG_FORMAT`) to set the format to `plain` (default) or `json`.
 - The operator now defaults to `AES/CTR/NoPadding` for `dfs.encrypt.data.transfer.cipher.suite` to improve security and performance ([#693]).
 - The built-in Prometheus servlet is now enabled and metrics are exposed under the `/prom` path of all UI services ([#695]).
+- Added several properties to `hdfs-site.xml` that improve general performance and reliability ([#696])
 
 ### Changed
 
@@ -50,6 +51,7 @@ All notable changes to this project will be documented in this file.
 [#684]: https://github.com/stackabletech/hdfs-operator/pull/684
 [#693]: https://github.com/stackabletech/hdfs-operator/pull/693
 [#695]: https://github.com/stackabletech/hdfs-operator/pull/695
+[#696]: https://github.com/stackabletech/hdfs-operator/pull/696
 
 ## [25.3.0] - 2025-03-21