Merge pull request #3899 from kiy0taka/fix/package-api-timeout

パッケージAPIのタイムアウトを5000msに設定

src/Eccube/Service/PluginApiService.php

@@ -306,6 +306,7 @@ public function requestApi($url, $data = [], $post = false)
             CURLOPT_RETURNTRANSFER => true,
             CURLOPT_FAILONERROR => true,
             CURLOPT_CAINFO => \Composer\CaBundle\CaBundle::getSystemCaRootBundlePath(),
+            CURLOPT_TIMEOUT_MS => 5000,
         ];
 
         // Set option value