add changelog entry

Author: xeniape

CHANGELOG.md

@@ -10,14 +10,18 @@
   - `EOS_CHECK_MODE` (`--eos-check-mode`) to set the EoS check mode. Currently, only "offline" is supported.
   - `EOS_INTERVAL` (`--eos-interval`) to set the interval in which the operator checks if it is EoS.
   - `EOS_DISABLED` (`--eos-disabled`) to disable the EoS checker completely.
+- Add `metrics` Services ([#701]).
 
 ### Changed
 
 - Changed env-vars to be consistent with config-utils in the entrypoint script ([#700]).
+- BREAKING: The `prometheus.io/scrape` label moved from the `headless` Service to the `metrics` Service, which
+  uses `metrics` as the port name instead of the previous `ui-http`/`ui-https` port name ([#701]).
 
 [#691]: https://github.com/stackabletech/hbase-operator/pull/691
 [#697]: https://github.com/stackabletech/hbase-operator/pull/697
 [#700]: https://github.com/stackabletech/hbase-operator/pull/700
+[#701]: https://github.com/stackabletech/hbase-operator/pull/701
 
 ## [25.7.0] - 2025-07-23