pins: upgrade to npins v5

Commit e2f5c2f0e8 pushed by NotAShelfmain

Workflow check.yml

check (NIXPKGS_ALLOW_INSECURE=1 nix flake check --accept-flake-config --impure)

0s

check (nix run .#alejandra-custom -- -c . -e ./npins)

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build

0s

check (NIXPKGS_ALLOW_INSECURE=1 nix flake check --accept-flake-config --impure)

Canceled