Regenerate accesscontextmanager client (#6105)

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

src/AccessContextManager/EgressSource.php

@@ -23,6 +23,10 @@ class EgressSource extends \Google\Model
    * @var string
    */
   public $accessLevel;
+  /**
+   * @var string
+   */
+  public $resource;
 
   /**
    * @param string
@@ -38,6 +42,20 @@ public function getAccessLevel()
   {
     return $this->accessLevel;
   }
+  /**
+   * @param string
+   */
+  public function setResource($resource)
+  {
+    $this->resource = $resource;
+  }
+  /**
+   * @return string
+   */
+  public function getResource()
+  {
+    return $this->resource;
+  }
 }
 
 // Adding a class alias for backwards compatibility with the previous class name.