Updating dependent branches when rebasing, automagically

I'm regularly rewriting my history, often with the lens of improving my commit messages . On the Renovate project, we use a Merge Queue with Squash Merge, which means that if I do want to have atomic commits, I need to split them across PRs, which adds a bit of noise to manage them. Alternatively, I could bypass branch protection requirements to do a rebase merge, but that's the only way to do a…