updated changelog for v1.5

Signed-off-by: Dmitrii Ustiugov <dmitrii.ustiugov@ed.ac.uk>

CHANGELOG.md

@@ -8,25 +8,27 @@
 
 ### Fixed
 
-## v1.6
-[@davidbuzatu-marian](https://github.com/DavidBuzatu-Marian)
+
+## v1.5
+
 ### Added
 - Added support for [eStargz](https://github.com/containerd/stargz-snapshotter) in stock-only setup.
 - Added [setup script](./scripts/stargz/setup_stargz.sh) for stargz-snapshotter.
 - Added [example](./configs/knative_workloads/stargz-node.yaml) knative deployment for eStargz.
+
 ### Changed
-- Changed stock-only setup steps to support eStargz installation.
-- Changed quickstart guide to include description of *eStargz* and how to use it.
-- Changed [README.md](./README.md) to include eStargz support.
+- Bumped Knative to v1.9, Go to v1.19, Kubernetes to v1.25, Istio to 1.16.0, metallb 0.13.9.
+- Bumped the GitHub-hosted runner OS version to ubuntu 20.
+
 ### Fixed
 
 
-## v1.5
+## v1.4.2
 
 ### Added
 
 ### Changed
-- Bumped Containerd to v1.6, Knative to v1.9, Go to v1.18, Kubernetes to v1.25.3, Istio to 1.16.0, protoc to 3.19, runc to 1.1, metallb 0.13.9.
+- Bumped Knative to v1.4, Go to v1.18, Kubernetes to v1.23, Istio to 1.12, protoc to 3.19, runc to 1.1.
 
 ### Fixed