chore(operator): Add changelog entry

Author: Techassi

crates/stackable-operator/CHANGELOG.md

@@ -6,6 +6,7 @@ All notable changes to this project will be documented in this file.
 
 ### Added
 
+- Add CLI argument and env var to disable the end-of-support checker: `EOS_DISABLED` (`--eos-disabled`) ([#1101]).
 - Add end-of-support checker ([#1096]).
   - The EoS checker can be constructed using `EndOfSupportChecker::new()`.
   - Add new `MaintenanceOptions` and `EndOfSupportOptions` structs.
@@ -24,6 +25,7 @@ All notable changes to this project will be documented in this file.
 
 [#1096]: https://github.com/stackabletech/operator-rs/pull/1096
 [#1098]: https://github.com/stackabletech/operator-rs/pull/1098
+[#1101]: https://github.com/stackabletech/operator-rs/pull/1101
 
 ## [0.98.0] - 2025-09-22