Fix the CHANGELOG for 1.18 and update the chart to bugfixed one

CHANGELOG/CHANGELOG-1.18.md

@@ -15,11 +15,11 @@ When cutting a new release, update the `unreleased` heading to the tag being gen
 
 ## unreleased
 
+* [CHANGE] Update cass-operator to v1.22.0
+
 ## v1.18.0 - 2024-07-24
 
 * [CHANGE] Update cassandra-medusa to 0.22.0
-* [CHANGE] Update cass-operator to v1.22.0
 * [FEATURE] [#1310](https://github.com/k8ssandra/k8ssandra-operator/issues/1310) Enhance the MedusaBackupSchedule API to allow scheduling purge tasks
-* [ENHANCEMENT] [#1274](https://github.com/k8ssandra/k8ssandra-operator/issues/1274) On upgrade, do not modify the CassandraDatacenter object unless instructed with an annotation `k8ssandra.io/autoupdate-spec` with value `once` or `always`
 * [BUGFIX] [#1222](https://github.com/k8ssandra/k8ssandra-operator/issues/1222) Consider DC-level config when validating numToken updates in webhook
 * [BUGFIX] [#1366](https://github.com/k8ssandra/k8ssandra-operator/issues/1366) Reaper deployment can't be created on OpenShift due to missing RBAC rule

CHANGELOG/CHANGELOG-1.19.md

@@ -14,3 +14,5 @@ Changelog for the K8ssandra Operator, new PRs should update the `unreleased` sec
 When cutting a new release, update the `unreleased` heading to the tag being generated and date, like `## vX.Y.Z - YYYY-MM-DD` and create a new placeholder section for  `unreleased` entries.
 
 ## unreleased
+
+* [ENHANCEMENT] [#1274](https://github.com/k8ssandra/k8ssandra-operator/issues/1274) On upgrade, do not modify the CassandraDatacenter object unless instructed with an annotation `k8ssandra.io/autoupdate-spec` with value `once` or `always`

charts/k8ssandra-operator/Chart.yaml

@@ -9,7 +9,7 @@ dependencies:
     version: 0.29.0
     repository: https://helm.k8ssandra.io
   - name: cass-operator
-    version: 0.53.0
+    version: 0.53.1
     repository: https://helm.k8ssandra.io
 home: https://github.com/k8ssandra/k8ssandra-operator
 sources: