Regenerate monitoring client (#6148)

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

Author: yoshi-code-bot

src/Monitoring/Criteria.php

@@ -20,11 +20,29 @@
 class Criteria extends \Google\Collection
 {
   protected $collection_key = 'policies';
+  /**
+   * @var string
+   */
+  public $filter;
   /**
    * @var string[]
    */
   public $policies;
 
+  /**
+   * @param string
+   */
+  public function setFilter($filter)
+  {
+    $this->filter = $filter;
+  }
+  /**
+   * @return string
+   */
+  public function getFilter()
+  {
+    return $this->filter;
+  }
   /**
    * @param string[]
    */