upgrade sentry gems, enable async and disable performance analyses

app/workers/sentry_worker.rb

@@ -0,0 +1,9 @@
+# frozen_string_literal: true
+
+class SentryWorker
+  include Sidekiq::Worker
+
+  def perform(event, hint)
+    Sentry.send_event(event, hint)
+  end
+end