Release v0.15.4 (#1399)

* Release v0.15.4

Signed-off-by: Yi Chen <github@chenyicn.net>

* Add changelog for v0.15.4

Signed-off-by: Yi Chen <github@chenyicn.net>

---------

Signed-off-by: Yi Chen <github@chenyicn.net>

Author: ChenYi015

CHANGELOG.md

@@ -1,6 +1,23 @@
 # Changelog
 
-## [HEAD](https://github.com/kubeflow/arena/tree/v0.15.3) (2025-11-25)
+## [v0.15.4](https://github.com/kubeflow/arena/tree/v0.15.4) (2026-01-09)
+
+### Bug Fixes
+
+- Fix: install script does not work due to CRD files renaming ([#1391](https://github.com/kubeflow/arena/pull/1391) by [@ChenYi015](https://github.com/ChenYi015))
+- fix(cron-operator): reconcile worker hangs due to invalid cron expression ([#1398](https://github.com/kubeflow/arena/pull/1398) by [@ChenYi015](https://github.com/ChenYi015))
+
+### Dependencies
+
+- chore(deps): bump actions/upload-artifact from 5 to 6 ([#1397](https://github.com/kubeflow/arena/pull/1397) by [@dependabot[bot]](https://github.com/apps/dependabot))
+- chore(deps): bump actions/checkout from 5 to 6 ([#1389](https://github.com/kubeflow/arena/pull/1389) by [@dependabot[bot]](https://github.com/apps/dependabot))
+- chore(deps): bump actions/download-artifact from 6 to 7 ([#1396](https://github.com/kubeflow/arena/pull/1396) by [@dependabot[bot]](https://github.com/apps/dependabot))
+- chore(deps): bump github.com/spf13/viper from 1.10.0 to 1.21.0 ([#1394](https://github.com/kubeflow/arena/pull/1394) by [@dependabot[bot]](https://github.com/apps/dependabot))
+- chore(deps): bump github.com/prometheus/client_golang from 1.22.0 to 1.23.2 ([#1393](https://github.com/kubeflow/arena/pull/1393) by [@dependabot[bot]](https://github.com/apps/dependabot))
+
+[Full Changelog](https://github.com/kubeflow/arena/compare/v0.15.3...v0.15.4)
+
+## [v0.15.3](https://github.com/kubeflow/arena/tree/v0.15.3) (2025-11-25)
 
 ### Deprecations
 

VERSION

@@ -1 +1 @@
-0.15.3
+0.15.4

arena-artifacts/Chart.yaml

@@ -9,13 +9,13 @@ type: application
 # This is the chart version. This version number should be incremented each time you make changes
 # to the chart and its templates, including the app version.
 # Versions are expected to follow Semantic Versioning (https://semver.org/)
-version: 0.15.3
+version: 0.15.4
 
 # This is the version number of the application being deployed. This version number should be
 # incremented each time you make changes to the application. Versions are not expected to
 # follow Semantic Versioning. They should reflect the version the application is using.
 # It is recommended to use it with quotes.
-appVersion: 0.15.3
+appVersion: 0.15.4
 
 kubeVersion: ">=1.16.0-0"