address comments

Author: komer3

README.md

@@ -25,7 +25,7 @@ The Linode Cloud Controller Manager (CCM) integrates Kubernetes with Linode's in
 
 ## Requirements
 
-- Kubernetes 1.9+
+- Kubernetes 1.22+
 - Kubelets, controller-manager, and apiserver with `--cloud-provider=external`
 - Linode APIv4 Token
 - Supported Linode region

docs/src/getting-started/requirements.md

@@ -3,7 +3,7 @@
 ## Kubernetes Cluster Requirements
 
 ### Version Compatibility
-- Kubernetes version 1.9 or higher
+- Kubernetes version 1.22 or higher
 - Kubernetes cluster running on Linode infrastructure
 
 ### Kubernetes Components Configuration