Update CHANGELOG and increase version to 0.15.24

CHANGELOG.md

 # Changelog
 
+## 0.15.24 - 2024-08-12
+
+* Update nextcloud helm chart to v4.6.11.
+  - In particular this upgrades Nextcloud to 29.0.4.
+* Update onlyoffice app to 9.3.0.
+
 ## 0.15.23 - 2024-06-27
 
 * When trying to open the newly created office document, sometimes it would

Chart.yaml

@@ -3,8 +3,8 @@ apiVersion: v2
 description: |
   A helm chart for installing NextCloud and setting up ONLYOFFICE integration
 name: nextcloud-onlyoffice
-appVersion: NC-28.0.4-OO-7.2.2.56
-version: 0.15.23
+appVersion: NC-29.0.4-OO-7.2.2.56
+version: 0.15.24
 icon: https://cdn.rawgit.com/docker-library/docs/defa5ffc7123177acd60ddef6e16bddf694cc35f/nextcloud/logo.svg
 dependencies:
   # https://artifacthub.io/packages/helm/nextcloud/nextcloud