Motivation for this change

We currently move the localkube binary to /localkube. But minikube expects it to be at /usr/loca/bin/localkube in the systemd unit

Things done

Change the patch, such that it copies the file to the correct destination

• Tested using sandboxing (nix.useSandbox on NixOS, or option build-use-sandbox in nix.conf on non-NixOS)
• Built on platform(s)
  • NixOS
  • macOS
  • other Linux distributions
• Tested via one or more NixOS test(s) if existing and applicable for the change (look inside nixos/tests)
• Tested compilation of all pkgs that depend on this change using nix-shell -p nox --run "nox-review wip"
• Tested execution of all binary files (usually in ./result/bin/)
• Fits CONTRIBUTING.md.

Related issue upstream that will be resolved by this: kubernetes/minikube/issues/2307