docs: Update docs for new openapi kustomize support (argoproj#2216)

* docs: Update docs for new openapi kustomize support

Signed-off-by: zachaller <zachaller@hotmail.com>

* update required kustomize version

Signed-off-by: zachaller <zachaller@hotmail.com>

Signed-off-by: zachaller <zachaller@hotmail.com>

docs/features/kustomize.md

@@ -28,7 +28,7 @@ configurations:
   - https://argoproj.github.io/argo-rollouts/features/kustomize/rollout-transform.yaml
 ```
 
-- With Kustomize 4.1.0 kustomize can use kubernetes OpenAPI data to get merge key and patch strategy information about [resource types](https://kubectl.docs.kubernetes.io/references/kustomize/kustomization/openapi). For example, given the following rollout:
+- With Kustomize 4.5.5 kustomize can use kubernetes OpenAPI data to get merge key and patch strategy information about [resource types](https://kubectl.docs.kubernetes.io/references/kustomize/kustomization/openapi). For example, given the following rollout:
 
 ```yaml
 apiVersion: argoproj.io/v1alpha1
@@ -63,7 +63,7 @@ resources:
 - rollout-canary.yaml
 
 openapi:
- path: <path-to-directory>/rollout_cr_schema.json
+  path: https://raw.githubusercontent.com/argoproj/argo-schema-generator/main/schema/argo_all_k8s_kustomize_schema.json
 
 patchesStrategicMerge:
 - |-
@@ -79,7 +79,7 @@ patchesStrategicMerge:
           image: nginx
 ```
 
-The OpenAPI data is auto-generated and defined in this [file](https://github.com/argoproj/argo-rollouts/blob/master/docs/features/kustomize/rollout_cr_schema.json).
+The OpenAPI data is auto-generated and defined in this [file](https://github.com/argoproj/argo-schema-generator/blob/main/schema/argo_all_k8s_kustomize_schema.json).
 
 An example kustomize app demonstrating the ability to use OpenAPI data with Rollouts can be seen
 [here](https://github.com/argoproj/argo-rollouts/blob/master/test/kustomize/rollout).

test/kustomize/rollout/kustomization.yaml

@@ -43,7 +43,7 @@ images:
   newTag: v2
 
 openapi:
-  path: ../../../docs/features/kustomize/rollout_cr_schema.json
+  path: https://raw.githubusercontent.com/argoproj/argo-schema-generator/main/schema/argo_all_k8s_kustomize_schema.json
 
 patchesStrategicMerge:
 - |-