flake.lock: Update (#330)

Flake lock file updates:

• Updated input 'nixpkgs':
    'github:NixOS/nixpkgs/107d5ef05c0b1119749e381451389eded30fb0d5?narHash=sha256-Qw2PwmkXDK8sPQ5YQ/y/icbQ%2BTYgbxfjhgnkNJyT1X8%3D' (2025-01-19)
  → 'github:NixOS/nixpkgs/035f8c0853c2977b24ffc4d0a42c74f00b182cd8?narHash=sha256-YnHJJ19wqmibLQdUeq9xzE6CjrMA568KN/lFPuSVs4I%3D' (2025-01-23)
• Updated input 'unstable-pkgs':
    'github:NixOS/nixpkgs/5df43628fdf08d642be8ba5b3625a6c70731c19c?narHash=sha256-Tbk1MZbtV2s5aG%2BiM99U8FqwxU/YNArMcWAv6clcsBc%3D' (2025-01-16)
  → 'github:NixOS/nixpkgs/852ff1d9e153d8875a83602e03fdef8a63f0ecf8?narHash=sha256-Zf0hSrtzaM1DEz8//%2BXs51k/wdSajticVrATqDrfQjg%3D' (2025-01-26)

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