Update demo/daemonset.yaml file

[dilyar85]

Fixes #22

[ivanfetch]

I'm the author of issue #22 - I've also realized that kube-iptables-tailer patches events, and needs the patch verb as well.

[CLAassistant]

Thank you for your submission! We really appreciate it. Like many open source projects, we ask that you sign our Contributor License Agreement before we can accept your contribution.

---

Saifuding Diliyaer seems not to be a GitHub user. You need a GitHub account to be able to sign the CLA. If you have already a GitHub account, please add the email address used for this commit to your account.
_{You have signed the CLA already but the status is still pending? Let us recheck it.}