WIP: dummy MR to make CI work
This branch is basically a clone of !51 (merged) for branch marcel.koch:feature/arbitrary-virtual-refinement. It is needed to make the CI work for dune-grid!193 (merged).
This branch is basically a clone of !51 (merged) for branch marcel.koch:feature/arbitrary-virtual-refinement. It is needed to make the CI work for dune-grid!193 (merged).