adapted changelog

Author: maltesander

CHANGELOG.md

@@ -8,6 +8,7 @@ All notable changes to this project will be documented in this file.
 
 - Helm: Allow Pod `priorityClassName` to be configured ([#840]).
 - Add support for `2.6.0` ([#849]).
+- Add `prometheus.io/path|port|scheme` annotations to metrics service ([#855]).
 
 ### Changed
 
@@ -24,6 +25,7 @@ All notable changes to this project will be documented in this file.
 [#840]: https://github.com/stackabletech/nifi-operator/pull/840
 [#844]: https://github.com/stackabletech/nifi-operator/pull/844
 [#849]: https://github.com/stackabletech/nifi-operator/pull/849
+[#855]: https://github.com/stackabletech/nifi-operator/pull/855
 
 ## [25.7.0] - 2025-07-23