Regenerate firebasedataconnect client (#5652)

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

src/FirebaseDataConnect/PostgreSql.php

@@ -29,6 +29,10 @@ class PostgreSql extends \Google\Model
    * @var string
    */
   public $schemaValidation;
+  /**
+   * @var bool
+   */
+  public $unlinked;
 
   /**
    * @param CloudSqlInstance
@@ -72,6 +76,20 @@ public function getSchemaValidation()
   {
     return $this->schemaValidation;
   }
+  /**
+   * @param bool
+   */
+  public function setUnlinked($unlinked)
+  {
+    $this->unlinked = $unlinked;
+  }
+  /**
+   * @return bool
+   */
+  public function getUnlinked()
+  {
+    return $this->unlinked;
+  }
 }
 
 // Adding a class alias for backwards compatibility with the previous class name.