chore(nix): add nixops

shell.nix

@@ -9,6 +9,7 @@ with pkgs;
     buildInputs = [
       alejandra # The Uncompromising Nix Code Formatter
       nix # Powerful package manager, makes packaging reliable & reproducible
+      nixops_unstable_minimal # work around for issue #127423
       tea # Gitea official CLI client
       treefmt # one CLI to format the code tree
     ];