Added resource annotation for Key message.

PiperOrigin-RevId: 283066965

google/cloud/recaptchaenterprise/v1beta1/recaptchaenterprise.proto

@@ -346,6 +346,11 @@ message DeleteKeyRequest {
 // A key used to identify and configure applications (web and/or mobile) that
 // use reCAPTCHA Enterprise.
 message Key {
+  option (google.api.resource) = {
+    type: "recaptchaenterprise.googleapis.com/Key"
+    pattern: "projects/{project}/keys/{key}"
+  };
+
   // The resource name for the Key in the format
   // "projects/{project_number}/keys/{key_id}".
   string name = 1;