update docs

Signed-off-by: Andrew Tran <atran@brex.com>

docs/features/kubernetes/configuration.md

@@ -225,6 +225,8 @@ Overrides for the API versions used to make requests for the corresponding
 objects. If using a legacy Kubernetes version, you may use this config to
 override the default API versions to ones that are supported by your cluster.
 
+Example:
+
 ```yaml
 ---
 kubernetes:
@@ -232,6 +234,11 @@ kubernetes:
     cronjobs: 'v1beta1'
 ```
 
+For more information on which API versions are supported by your cluster, please
+view the Kubernetes API docs for your Kubernetes version (e.g.
+[API Groups for v1.22](https://kubernetes.io/docs/reference/generated/kubernetes-api/v1.22/#-strong-api-groups-strong-)
+)
+
 ### Role Based Access Control
 
 The current RBAC permissions required are read-only cluster wide, for the