fix: update to flake.nix

go.sum

hash.go

hash_api.go

hash_api_test.go

hash_test.go

hash_watcher.go

hash_watcher_test.go

lighthouse.go

lighthouse_test.go

nix/config/common-packages.nix

nix/config/defaults.nix

nix/config/release.nix

nix/config/release.nix.template

nix/packages/manual.nix

nix/scripts/bash-fkt.nix

nix/scripts/build-cover-report.nix

nix/scripts/build-manual.nix

nix/scripts/clean-up.nix

nix/scripts/go-task.nix

nix/scripts/release.nix