✨ add default conversion review versions

The conversion webhook client config requires a list
of conversion review versions. This change scaffolds the
conversion webhook patch with default conversion review version
of v1.

Author: varshaprasad96

pkg/cli/alpha/config-gen/cert-generation-filter.go

@@ -107,6 +107,12 @@ func (c CertFilter) Filter(input []*yaml.RNode) ([]*yaml.RNode, error) {
 		if err != nil {
 			return nil, err
 		}
+		err = matches[i].PipeE(yaml.LookupCreate(
+			yaml.ScalarNode, "spec", "conversion", "webhookClientConfig", "conversionReviewVersions"),
+			yaml.FieldSetter{StringValue: "v1"})
+		if err != nil {
+			return nil, err
+		}
 		err = matches[i].PipeE(yaml.LookupCreate(
 			yaml.ScalarNode, "spec", "conversion", "webhookClientConfig", "service", "name"),
 			yaml.FieldSetter{StringValue: "webhook-service"})

pkg/plugins/common/kustomize/v1/scaffolds/internal/templates/config/crd/patches/enablewebhook_patch.go

@@ -66,5 +66,6 @@ spec:
           namespace: system
           name: webhook-service
           path: /convert
+      conversionReviewVersions: v1
     {{- end }}
 `

testdata/project-v3-addon/config/crd/patches/webhook_in_admirals.yaml

@@ -12,3 +12,4 @@ spec:
           namespace: system
           name: webhook-service
           path: /convert
+      conversionReviewVersions: v1

testdata/project-v3-addon/config/crd/patches/webhook_in_captains.yaml

@@ -12,3 +12,4 @@ spec:
           namespace: system
           name: webhook-service
           path: /convert
+      conversionReviewVersions: v1

testdata/project-v3-addon/config/crd/patches/webhook_in_firstmates.yaml

@@ -12,3 +12,4 @@ spec:
           namespace: system
           name: webhook-service
           path: /convert
+      conversionReviewVersions: v1

testdata/project-v3-config/config/crd/patches/webhook_in_admirals.yaml

@@ -12,3 +12,4 @@ spec:
           namespace: system
           name: webhook-service
           path: /convert
+      conversionReviewVersions: v1

testdata/project-v3-config/config/crd/patches/webhook_in_captains.yaml

@@ -12,3 +12,4 @@ spec:
           namespace: system
           name: webhook-service
           path: /convert
+      conversionReviewVersions: v1

testdata/project-v3-config/config/crd/patches/webhook_in_firstmates.yaml

@@ -12,3 +12,4 @@ spec:
           namespace: system
           name: webhook-service
           path: /convert
+      conversionReviewVersions: v1

testdata/project-v3-multigroup/config/crd/patches/webhook_in_captains.yaml

@@ -12,3 +12,4 @@ spec:
           namespace: system
           name: webhook-service
           path: /convert
+      conversionReviewVersions: v1

testdata/project-v3-multigroup/config/crd/patches/webhook_in_cruisers.yaml

@@ -12,3 +12,4 @@ spec:
           namespace: system
           name: webhook-service
           path: /convert
+      conversionReviewVersions: v1