Fixed to supported versions (kubernetes#9117)

Author: yutachaos

Changelog.md

@@ -27,7 +27,7 @@ If you notice any issues, *please* ping [Ben Elder](https://twitter.com/BenTheEl
 [8890](https://github.com/kubernetes/ingress-nginx/pull/8890)
 * Update to Prometheus metric names, more information [available here]( https://github.com/kubernetes/ingress-nginx/pull/8728
 )
-* Deprecated Kubernetes versions 1.20-1.21, Added support for, 1.25, currently supported versions v1.23, v1.24, v1.25  
+* Deprecated Kubernetes versions 1.20-1.21, Added support for, 1.25, currently supported versions v1.22, v1.23, v1.24, v1.25  
 
 ADDED
 * `_request_duration_seconds` Histogram

README.md

@@ -38,7 +38,7 @@ For detailed changes on the `ingress-nginx` helm chart, please check the followi
 
 | Ingress-NGINX version | k8s supported version        | Alpine Version | Nginx Version |
 |-----------------------|------------------------------|----------------|---------------|
-| v1.4.0                | 1.25, 1.24, 1.23             | 3.16.2         | 1.19.10†      |
+| v1.4.0                | 1.25, 1.24, 1.23, 1.22       | 3.16.2         | 1.19.10†      |
 | v1.3.1                | 1.24, 1.23, 1.22, 1.21, 1.20 | 3.16.2         | 1.19.10†      |
 | v1.3.0                | 1.24, 1.23, 1.22, 1.21, 1.20 | 3.16.0         | 1.19.10†      |
 | v1.2.1                | 1.23, 1.22, 1.21, 1.20, 1.19 | 3.14.6         | 1.19.10†      |