Merge pull request #757 from dohnto/patch-1

Update compatibility matrix

Author: metalmatze

README.md

@@ -19,7 +19,7 @@ A set of Grafana dashboards and Prometheus alerts for Kubernetes.
 | release-0.8  | v1.20+             | v2.11.0+  | v2.0+ |
 | release-0.9  | v1.20+             | v2.11.0+  | v2.0+ |
 | release-0.10 | v1.20+             | v2.11.0+  | v2.0+ |
-| master       | v1.20+             | v2.11.0+  | v2.0+ |
+| master       | v1.23+             | v2.11.0+  | v2.0+ |
 
 In Kubernetes 1.14 there was a major [metrics overhaul](https://github.com/kubernetes/enhancements/issues/1206) implemented.
 Therefore v0.1.x of this repository is the last release to support Kubernetes 1.13 and previous version on a best effort basis.