Incorrect links to reference manual in wiki

[ngocnhan-tran1996]

This major version introduces a new programmatic bean registration mechanism with the BeanRegistrar contract that will help with such use cases. See the new "Programmatic Bean Registration" section in the reference documentation.

Wiki:
https://github.com/spring-projects/spring-framework/wiki/Spring-Framework-7.0-Release-Notes#programmatic-bean-registration

Incorrect link: https://docs.spring.io/spring-frameworkreference/7.0.0/core/beans/java/programmatic-bean-registration.html
Correct link: https://docs.spring.io/spring-framework/reference/7.0.0/core/beans/java/programmatic-bean-registration.html

[sbrannen]

Thanks for bringing this to our attention. 👍

There were actually 3 such broken links, and I just fixed them.