Migration guide for Servlet apps to Spring Security 6 looks empty.

[lrozenblyum]

Describe the bug
A clear and concise description of what the bug is.

To Reproduce
Open https://docs.spring.io/spring-security/reference/6.5/migration/servlet/index.html

Expected behavior
It should contain proper steps for migrating a Servlet app from 5 to 6.

NOTE: Reactive doc is not empty