PR #27: Lock file maintenance

Agent Instructions

Click a suite to see its builds. Example suite for ae90c645 :

https://nix-ci.com/gh:sellout:pathway/refs%2Fpull%2F27%2Fmerge/ae90c64565a1c92138ebfa216fc7a56fa09fd4ea

For more instructions, fetch https://nix-ci.com/instructions .