Regenerate iap client (googleapis#8533)

Generated in GitHub action: https://togithub.com/googleapis/googleapis/google-api-php-client-services/actions/workflows/codegen.yaml

Author: yoshi-code-bot

src/CloudIAP/IapResource.php

@@ -61,7 +61,9 @@ class IapResource extends \Google\Collection
    * GCP region(s) where the resource exists (e.g., ["us-east1", "us-west1"]).
    * For multi-regional resources specify the name of each GCP region in the
    * resource's multi-region. NOTE: Only GCP cloud region names are supported -
-   * go/cloud-region-names.
+   * go/cloud-region-names. - Constraints: - Individual location strings must be
+   * less than 1000 bytes. - The cumulative size of all locations must be less
+   * than 16KB.
    *
    * @var string[]
    */
@@ -176,7 +178,9 @@ public function getLabels()
    * GCP region(s) where the resource exists (e.g., ["us-east1", "us-west1"]).
    * For multi-regional resources specify the name of each GCP region in the
    * resource's multi-region. NOTE: Only GCP cloud region names are supported -
-   * go/cloud-region-names.
+   * go/cloud-region-names. - Constraints: - Individual location strings must be
+   * less than 1000 bytes. - The cumulative size of all locations must be less
+   * than 16KB.
    *
    * @param string[] $locations
    */