Merge pull request #69 from IntersectMBO/workaround_cli_1262
fix(conway_slow): handle cardano-cli protocol query failure
fix(conway_slow): handle cardano-cli protocol query failure
Wrap protocol-parameters queries in conditional blocks to handle failures gracefully, as a workaround for cardano-cli issue #1262.
fix(scripts): make sure txid is not in JSON out
chore(deps): update nixpkgs and dependencies
Update flake.nix and flake.lock to use nixos-25.05 for nixpkgs and refresh related dependencies.