Add changelog for release v0.47.2

Author: Ajarmar

changelog/0.47.md

@@ -69,3 +69,20 @@ Released 2025-07-17
 - [bb07866](https://github.com/elastisys/compliantkubernetes-apps/pull/2608/commits/bb07866c1bb55f47c8b084d3660c10e73dce8b70) - apps: change tekton images registry from grc to ghrc
 
     (Based on [#2600](https://github.com/elastisys/compliantkubernetes-apps/pull/2600) - bug: apps sc: migrate tekton image registry from gcr to ghcr [@lunkan93](https://github.com/lunkan93))
+
+## v0.47.2
+
+Released 2025-07-31
+
+## Changes by kind
+
+### Improvement(s)
+
+- [#2581](https://github.com/elastisys/compliantkubernetes-apps/pull/2581) - Upgrade falco chart to v6.0.2 [@rarescosma](https://github.com/rarescosma)
+
+### Other(s)
+
+- [#2618](https://github.com/elastisys/compliantkubernetes-apps/pull/2618) - bug: apps sc: fix indexpernamespace for opensearch alerting role [@linus-astrom](https://github.com/linus-astrom)
+- [b2cd9dd](https://github.com/elastisys/compliantkubernetes-apps/commit/b2cd9ddc6e7ebb23af74d4b3cd98a57e4d7fabc5) - apps: bump grafana image version to 11.5.7
+- [8786069](https://github.com/elastisys/compliantkubernetes-apps/commit/87860693c284dd174270520d0f7fceb42c2771a6) - apps sc: remove hard anti-affinity for opensearch from default elastx config
+- [7f2670b](https://github.com/elastisys/compliantkubernetes-apps/commit/7f2670b9222f81c99e3cefe3a2b0316ad4e02fe2) - apps sc: sum ThanosReceiveTrafficBelowThreshold alert to adjust for multiple receive distributors