flake.lock: Update

Flake lock file updates:

• Updated input 'impermanence':
    'github:nix-community/impermanence/d000479f4f41390ff7cf9204979660ad5dd16176?narHash=sha256-olIfsfJK4/GFmPH8mXMmBDAkzVQ1TWJmeGT3wBGfQPY%3D' (2024-12-23)
  → 'github:nix-community/impermanence/c64bed13b562fc3bb454b48773d4155023ac31b7?narHash=sha256-1Zl9xahw399UiZSJ9Vxs1W4WRFjO1SsNdVZQD4nghz0%3D' (2025-01-12)
• Updated input 'nix-darwin':
    'github:LnL7/nix-darwin/6ace2f2d12bdf74235d5cbf9fbd34a71c9716685?narHash=sha256-mG9lRZBcPiAGiVJ9B97BJoIGQcSBWIVlBiN30QYCtG0%3D' (2025-01-11)
  → 'github:LnL7/nix-darwin/bd921223ba7cdac346477d7ea5204d6f4736fcc6?narHash=sha256-deQVtIH4UJueELJqluAICUtX7OosD9paTP%2B5FgbiSwI%3D' (2025-01-14)
• Updated input 'nixpkgs':
    'github:NixOS/nixpkgs/1dab772dd4a68a7bba5d9460685547ff8e17d899?narHash=sha256-ibkQrMHxF/7TqAYcQE%2BtOnIsSEzXmMegzyBWza6uHKM%3D' (2025-01-10)
  → 'github:NixOS/nixpkgs/635e887b48521e912a516625eee7df6cf0eba9c1?narHash=sha256-vH5mXxEvZeoGNkqKoCluhTGfoeXCZ1seYhC2pbMN0sg%3D' (2025-01-12)
• Updated input 'nixpkgs-darwin':
    'github:NixOS/nixpkgs/a4c40a8a970c147cea7e98e86b2ff2ffb184aedd?narHash=sha256-yPzRuUXx99iu9QMF9GKxxqqC7kpKdFlQi7PA9N85wxQ%3D' (2025-01-04)
  → 'github:NixOS/nixpkgs/c4533bdb2e7a4eb14096414e8dee7762a968cae3?narHash=sha256-6Fnro1glZHrHUPnkcpxw7tkpVJWQZiJfp/N1zhl1MhY%3D' (2025-01-12)
• Updated input 'nixpkgs-unstable':
    'github:NixOS/nixpkgs/32af3611f6f05655ca166a0b1f47b57c762b5192?narHash=sha256-dMGNa5UwdtowEqQac%2BDr0d2tFO/60ckVgdhZU9q2E2o%3D' (2025-01-09)
  → 'github:NixOS/nixpkgs/ef56e777fedaa4da8c66a150081523c5de1e0171?narHash=sha256-a3MMEY7i/wdF0gb7WFNTn6onzaiMOvwj7OerRVenA8o%3D' (2025-01-13)