[clang-tools-extra] [clang-tidy] Add fix-its to `avoid-return-with-void-value` check (PR #81420)

[Piotr Zegar via cfe-commits]

https://github.com/PiotrZSL commented:

When from functional point of view current code looks fine and could be merged, there are few improvements possible. Add also description to PR request.

Consider also ignoring `return;` if this is last stmt in function.

https://github.com/llvm/llvm-project/pull/81420