updated plugin WP Mail SMTP version 2.0.0

wp-content/plugins/wp-mail-smtp/vendor/google/auth/src/Subscriber/AuthTokenSubscriber.php

@@ -18,6 +18,7 @@
 namespace Google\Auth\Subscriber;
 
 use Google\Auth\FetchAuthTokenInterface;
+use Google\Auth\GetQuotaProjectInterface;
 use GuzzleHttp\Event\BeforeEvent;
 use GuzzleHttp\Event\RequestEvents;
 use GuzzleHttp\Event\SubscriberInterface;
@@ -114,5 +115,19 @@ class AuthTokenSubscriber implements SubscriberInterface
                 call_user_func($this->tokenCallback, $this->fetcher->getCacheKey(), $auth_tokens['access_token']);
             }
         }
+
+        if ($quotaProject = $this->getQuotaProject()) {
+            $request->setHeader(
+                GetQuotaProjectInterface::X_GOOG_USER_PROJECT_HEADER,
+                $quotaProject
+            );
+        }
+    }
+
+    private function getQuotaProject()
+    {
+        if ($this->fetcher instanceof GetQuotaProjectInterface) {
+            return $this->fetcher->getQuotaProject();
+        }
     }
 }