Add PUBLIC keyword to target_link_libraries inside dune_target_link_libraries

Summary

This is a follow-up MR of !875 (merged) adding the PUBLIC keword to target_link_libraries to remove deprecation warnings.

changed milestone to %New CMake Build-System

added buildsystem cleanup labels

Checked all core modules in https://gitlab.dune-project.org/infrastructure/dune-nightly-test/-/pipelines/34571

merged

mentioned in commit 51780db9