Regenerate docs client (googleapis#6485)

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

Author: yoshi-code-bot

src/Docs.php

@@ -27,7 +27,7 @@
  *
  * <p>
  * For more information about this service, see the API
- * <a href="https://developers.google.com/docs/" target="_blank">Documentation</a>
+ * <a href="https://developers.google.com/workspace/docs/" target="_blank">Documentation</a>
  * </p>
  *
  * @author Google, Inc.

src/Docs/SubstringMatchCriteria.php

@@ -23,6 +23,10 @@ class SubstringMatchCriteria extends \Google\Model
    * @var bool
    */
   public $matchCase;
+  /**
+   * @var bool
+   */
+  public $searchByRegex;
   /**
    * @var string
    */
@@ -42,6 +46,20 @@ public function getMatchCase()
   {
     return $this->matchCase;
   }
+  /**
+   * @param bool
+   */
+  public function setSearchByRegex($searchByRegex)
+  {
+    $this->searchByRegex = $searchByRegex;
+  }
+  /**
+   * @return bool
+   */
+  public function getSearchByRegex()
+  {
+    return $this->searchByRegex;
+  }
   /**
    * @param string
    */