docs(readme): fix broken link (#141)

Signed-off-by: Frazer Smith <frazer.dev@outlook.com>

README.md

@@ -5,7 +5,7 @@
 [![Build Status](https://github.com/fastify/busboy/actions/workflows/ci.yml/badge.svg)](https://github.com/fastify/busboy/actions)
 [![Coverage Status](https://coveralls.io/repos/fastify/busboy/badge.svg?branch=master)](https://coveralls.io/r/fastify/busboy?branch=master)
 [![js-standard-style](https://img.shields.io/badge/code%20style-standard-brightgreen.svg?style=flat)](https://standardjs.com/)
-[![Security Responsible Disclosure](https://img.shields.io/badge/Security-Responsible%20Disclosure-yellow.svg)](https://github.com/nodejs/security-wg/blob/HEAD/processes/responsible_disclosure_template.md)
+[![Security Responsible Disclosure](https://img.shields.io/badge/Security-Responsible%20Disclosure-yellow.svg)](https://github.com/nodejs/node/security/policy#disclosure-policy)
 
 </div>