Expand recipe coverage for `spring-data-mongodb` changes in spring-data `Neumann`

[Laurens-W]

What problem are you trying to solve?

In Spring Boot 2.3 a big overhaul of spring-data was adopted which came with quite a few changes/deprecations/removals. One of the modules of spring-data, spring data-mongodb, is being partially covered by this PR, but more coverage is welcomed.

• https://github.com/openrewrite/rewrite-spring/pull/583

Additional context

https://github.com/spring-projects/spring-boot/wiki/Spring-Boot-2.3-Release-Notes#spring-data-neumann https://spring.io/blog/2020/05/18/what-s-new-in-spring-data-klara-dan-von-neumann https://docs.spring.io/spring-data/mongodb/docs/3.0.0.RELEASE/reference/html/#upgrading.2-3