Disable Failing Webhooks (#11966)

* todo comment

* add failures field to webhooks and sanitize

* implement logic

* use update instead of save

* specify timeout and maximum number of retries

* add tests

website/server/libs/email.js

@@ -131,6 +131,8 @@ export async function sendTxn (mailingInfoArray, emailType, variables, personalV
 
   if (IS_PROD && mailingInfoArray.length > 0) {
     return got.post(`${EMAIL_SERVER.url}/job`, {
+      retry: 5, // retry the http request to the email server 5 times
+      timeout: 60000, // wait up to 60s before timing out
       auth: `${EMAIL_SERVER.auth.user}:${EMAIL_SERVER.auth.password}`,
       json: true,
       body: {