add changelog

Author: xeniape

CHANGELOG.md

@@ -20,11 +20,13 @@ All notable changes to this project will be documented in this file.
   in the Helm values to v4.0.1 ([#440]).
 - Update the image docker.stackable.tech/k8s/sig-storage/csi-node-driver-registrar
   in the Helm values to v2.10.1 ([#440]).
+- Bumped `stackable-operator` from `0.69.3` to `0.70.0` ([#467]).
 
 [#397]: https://github.com/stackabletech/secret-operator/pull/397
 [#403]: https://github.com/stackabletech/secret-operator/pull/403
 [#413]: https://github.com/stackabletech/secret-operator/pull/413
 [#440]: https://github.com/stackabletech/secret-operator/pull/440
+[#467]: https://github.com/stackabletech/secret-operator/pull/467
 
 ## [24.3.0] - 2024-03-20