fix #152: add a missing await when triggering multiple notification webhooks

worker/src/util.ts

@@ -82,7 +82,7 @@ function templateWebhookPlayload(payload: any, message: string) {
 async function webhookNotify(webhook: WebhookConfig, message: string) {
   if (Array.isArray(webhook)) {
     for (const w of webhook) {
-      webhookNotify(w, message)
+      await webhookNotify(w, message)
     }
     return
   }