chore: General fixes and clean up (#1169)

lib/webhooks/trigger.rb

@@ -1,6 +1,8 @@
 class Webhooks::Trigger
   def self.execute(url, payload)
     RestClient.post(url, payload.to_json, { content_type: :json, accept: :json })
+  rescue RestClient::NotFound => e
+    Rails.logger.info "invalid url #{url} : #{e.message}"
   rescue StandardError => e
     Raven.capture_exception(e)
   end