Regenerate apikeys client (#7817)

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

Author: yoshi-code-bot

src/ApiKeysService/V2Key.php

@@ -49,9 +49,9 @@ class V2Key extends \Google\Model
    */
   public $displayName;
   /**
-   * Output only. A checksum computed by the server based on the current value
-   * of the Key resource. This may be sent on update and delete requests to
-   * ensure the client has an up-to-date value before proceeding. See
+   * A checksum computed by the server based on the current value of the Key
+   * resource. This may be sent on update and delete requests to ensure the
+   * client has an up-to-date value before proceeding. See
    * https://google.aip.dev/154.
    *
    * @var string
@@ -166,9 +166,9 @@ public function getDisplayName()
     return $this->displayName;
   }
   /**
-   * Output only. A checksum computed by the server based on the current value
-   * of the Key resource. This may be sent on update and delete requests to
-   * ensure the client has an up-to-date value before proceeding. See
+   * A checksum computed by the server based on the current value of the Key
+   * resource. This may be sent on update and delete requests to ensure the
+   * client has an up-to-date value before proceeding. See
    * https://google.aip.dev/154.
    *
    * @param string $etag