Alerting: Use Unstructured type for settings of K8s model Integration + code owners (#91430)

* remove nonnamespaced paths
* use common.Unstructed for Intergration.Settings
* update codeowners to include alerting
* fix json name of secure fields to start with lower case

pkg/apis/alerting_notifications/v0alpha1/zz_generated.openapi.go

@@ -48,28 +48,12 @@ func schema_pkg_apis_alerting_notifications_v0alpha1_Integration(ref common.Refe
 							},
 						},
 						SchemaProps: spec.SchemaProps{
-							Type: []string{"object"},
-							AdditionalProperties: &spec.SchemaOrBool{
-								Allows: true,
-								Schema: &spec.Schema{
-									SchemaProps: spec.SchemaProps{
-										Default: false,
-										Type:    []string{"boolean"},
-										Format:  "",
-									},
-								},
-							},
+							Ref: ref("github.com/grafana/grafana/pkg/apimachinery/apis/common/v0alpha1.Unstructured"),
 						},
 					},
 					"settings": {
-						VendorExtensible: spec.VendorExtensible{
-							Extensions: spec.Extensions{
-								"x-kubernetes-list-type": "atomic",
-							},
-						},
 						SchemaProps: spec.SchemaProps{
-							Type:   []string{"string"},
-							Format: "byte",
+							Ref: ref("github.com/grafana/grafana/pkg/apimachinery/apis/common/v0alpha1.Unstructured"),
 						},
 					},
 					"type": {
@@ -89,6 +73,8 @@ func schema_pkg_apis_alerting_notifications_v0alpha1_Integration(ref common.Refe
 				Required: []string{"settings", "type"},
 			},
 		},
+		Dependencies: []string{
+			"github.com/grafana/grafana/pkg/apimachinery/apis/common/v0alpha1.Unstructured"},
 	}
 }