flake.lock: Update (#454)

Flake lock file updates:

• Updated input 'flake-parts':
    'github:hercules-ci/flake-parts/5792860' (2026-02-02)
  → 'github:hercules-ci/flake-parts/f20dc5d' (2026-03-01)
• Updated input 'flake-parts/nixpkgs-lib':
    'github:nix-community/nixpkgs.lib/7271616' (2026-02-01)
  → 'github:nix-community/nixpkgs.lib/c185c7a' (2026-03-01)
• Updated input 'git-hooks-nix':
    'github:cachix/git-hooks.nix/6e34e97' (2026-02-25)
  → 'github:cachix/git-hooks.nix/8baab58' (2026-03-07)
• Updated input 'nixpkgs':
    'github:nixos/nixpkgs/dd9b079' (2026-02-27)
  → 'github:nixos/nixpkgs/c06b4ae' (2026-03-13)

Author: pinguibot