Merge branch '1097-release-nextcloud-chart-version-0-15-13' into 'main'

Resolve "Release Nextcloud chart version 0.15.13"

Closes #1097

See merge request !535

CHANGELOG.md

 # Changelog
 
+## [0.15.13] - 2023-05-04
+
+* **Breaking**: Divide `apps` value to `default` and `custom`. If you have an override 
+  to nextcloud helm values in Stackspin, you need to adapt to this new structure.
+  You can see an example in `values-local.yaml.example`
+* Update nextcloud helm chart to v3.5.12 which upgrades Nextcloud to v26.0.1
+* Update onlyoffice app to 7.8.0.
+* Update dependency zorn-v/nextcloud-social-login to v5.4.3
+
 ## [0.15.12] - 2023-03-17
 
 * Increase page load timeout in test to 90 seconds.

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-25.0.4-OO-7.2.2.56
-version: 0.15.12
+appVersion: NC-26.0.1-OO-7.2.2.56
+version: 0.15.13
 icon: https://cdn.rawgit.com/docker-library/docs/defa5ffc7123177acd60ddef6e16bddf694cc35f/nextcloud/logo.svg
 dependencies:
   # https://artifacthub.io/packages/helm/nextcloud/nextcloud