chore: Bump Rust dependencies pre-26.3.0 (#373)

* chore: Bump Rust dependencies

- Bump stackable-operator to 0.106.2
- Bump strum to 0.28

* chore: Add changelog entry

Author: Techassi

CHANGELOG.md

@@ -13,6 +13,7 @@ All notable changes to this project will be documented in this file.
 
 ### Changed
 
+- Bump stackable-operator to 0.106.2 and strum to 0.28 ([#373]).
 - The operator now deploys the selected ListenerClass preset instead of relying on Helm ([#369]).
   - This mechanism is currently tied to CRD maintenance.
 - Gracefully shutdown all concurrent tasks by forwarding the SIGTERM signal ([#366]).
@@ -29,6 +30,7 @@ All notable changes to this project will be documented in this file.
 [#366]: https://github.com/stackabletech/listener-operator/pull/366
 [#368]: https://github.com/stackabletech/listener-operator/pull/368
 [#369]: https://github.com/stackabletech/listener-operator/pull/369
+[#373]: https://github.com/stackabletech/listener-operator/pull/373
 
 ## [25.11.0] - 2025-11-07