Add changelog for release v0.42.1

Author: lunkan93

changelog/0.42.md

@@ -76,3 +76,13 @@ Released 2024-10-30
 - [#2309](https://github.com/elastisys/compliantkubernetes-apps/pull/2309) - bug: Fix constraint for HNC user namespaces [@anders-elastisys](https://github.com/anders-elastisys)
 - [#2314](https://github.com/elastisys/compliantkubernetes-apps/pull/2314) - bug: Fix grafana datasources and tests for multi wc [@Elias-elastisys](https://github.com/Elias-elastisys)
 - [#2326](https://github.com/elastisys/compliantkubernetes-apps/pull/2326) - bug: Fix: add label user-grafana pvc for velero [@robinAwallace](https://github.com/robinAwallace)
+
+## v0.42.1
+
+Released 2025-01-02
+
+## Changes by kind
+
+### Improvement(s)
+
+- [#2382](https://github.com/elastisys/compliantkubernetes-apps/pull/2382) - apps: Mirror Bitnami images [@aarnq](https://github.com/aarnq)