flake.lock: Update

Flake lock file updates:

• Updated input 'home-manager':
    'github:nix-community/home-manager/d9297efd3a1c3ebb9027dc68f9da0ac002ae94db' (2023-12-12)
  → 'github:nix-community/home-manager/6e91c5df192395753d8e6d55a0352109cb559790' (2024-01-01)
• Updated input 'nixpkgs':
    'github:NixOS/nixpkgs/6df37dc6a77654682fe9f071c62b4242b5342e04' (2023-12-22)
  → 'github:NixOS/nixpkgs/cfc3698c31b1fb9cdcf10f36c9643460264d0ca8' (2023-12-27)
• Updated input 'nixpkgs-stable':
    'github:NixOS/nixpkgs/c2786e7084cbad90b4f9472d5b5e35ecb57958af' (2023-12-10)
  → 'github:NixOS/nixpkgs/7790e078f8979a9fcd543f9a47427eeaba38f268' (2023-12-23)
• Updated input 'nur':
    'github:nix-community/NUR/deff83b654473ec574849954dbc2095f7e555a2f' (2023-12-13)
  → 'github:nix-community/NUR/4eb694e7267683422b14c1d74e3ffe002f1e1aec' (2024-01-01)
• Updated input 'sops-nix':
    'github:Mic92/sops-nix/d806e546f96c88cd9f7d91c1c19ebc99ba6277d9' (2023-12-10)
  → 'github:Mic92/sops-nix/cfdbaf68d00bc2f9e071f17ae77be4b27ff72fa6' (2023-12-31)
• Updated input 'sops-nix/nixpkgs-stable':
    'github:NixOS/nixpkgs/b8f33c044e51de6dde3ad80a9676945e0e4e3227' (2023-12-09)
  → 'github:NixOS/nixpkgs/0aad9113182747452dbfc68b93c86e168811fa6c' (2023-12-30)