flake.lock: Update

Flake lock file updates:

• Updated input 'nix-index-database':
    'github:nix-community/nix-index-database/2ad5ebce1e1be47a8cf330d85265ac09ffa15178' (2024-03-08)
  → 'github:nix-community/nix-index-database/e76ff2df6bfd2abe06abd8e7b9f217df941c1b07' (2024-03-11)
• Updated input 'nixos-hardware':
    'github:nixos/nixos-hardware/59e37017b9ed31dee303dbbd4531c594df95cfbc' (2024-03-02)
  → 'github:nixos/nixos-hardware/ad2fd7b978d5e462048729a6c635c45d3d33c9ba' (2024-03-11)
• Updated input 'nixpkgs':
    'github:nixos/nixpkgs/880992dcc006a5e00dd0591446fdf723e6a51a64' (2024-03-05)
  → 'github:nixos/nixpkgs/878ef7d9721bee9f81f8a80819f9211ad1f993da' (2024-03-14)
• Updated input 'nixpkgs-unstable':
    'github:nixos/nixpkgs/9df3e30ce24fd28c7b3e2de0d986769db5d6225d' (2024-03-06)
  → 'github:nixos/nixpkgs/d691274a972b3165335d261cc4671335f5c67de9' (2024-03-14)
• Updated input 'nur':
    'github:nix-community/NUR/bd5a1fd48fd7e897dac1e9489d6b967ce2901191' (2024-03-16)
  → 'github:nix-community/NUR/79bcc2c4379e84adc24275842b4cf64fa74b622f' (2024-03-16)
• Updated input 'sops-nix':
    'github:Mic92/sops-nix/25dd60fdd08fcacee2567a26ba6b91fe098941dc' (2024-03-06)
  → 'github:Mic92/sops-nix/6c32d3b9c7593f4b466ec5404e59fc09a803a090' (2024-03-14)