Add a workflow to label merge conflicts, making it more obvious when PRs
have a merge conflicts. This is also used by Home Manager and Nixpkgs.
Link: https://github.com/nix-community/stylix/pull/1269
Co-authored-by: pancho horrillo <pancho@pancho.name>
Reviewed-by: eveeifyeve <88671402+Eveeifyeve@users.noreply.github.com>
Reviewed-by: Matt Sturgeon <matt@sturgeon.me.uk>
Reviewed-by: NAHO <90870942+trueNAHO@users.noreply.github.com>