flake.lock: Update

Flake lock file updates:

• Updated input 'disko':
    'github:nix-community/disko/3a4de9fa3a78ba7b7170dda6bd8b4cdab87c0b21?narHash=sha256-Tc35Y8H%2BkrA6rZeOIczsaGAtobSSBPqR32AfNTeHDRc%3D' (2024-12-24)
  → 'github:nix-community/disko/84a5b93637cc16cbfcc61b6e1684d626df61eb21?narHash=sha256-2dt1nOe9zf9pDkf5Kn7FUFyPRo581s0n90jxYXJ94l0%3D' (2024-12-29)
• Updated input 'letterbox':
    'github:TheKodeToad/Letterbox/dfc917b7e5c2b2b8d35a01d7425238db533c0de3?narHash=sha256-UUO4eCpOWoPoNkiVCFns9SAjRvY0DMiqEZnpEf9yMV4%3D' (2024-12-30)
  → 'github:TheKodeToad/Letterbox/9443f7c48d47fddc8ae2a3b873c99971e825eabb?narHash=sha256-tvjlCDXMH7vz1uvPgRCvguR3DEQkomnfo4wC9URvyZI%3D' (2025-01-01)
• Updated input 'nixpkgs':
    'github:NixOS/nixpkgs/634fd46801442d760e09493a794c4f15db2d0cbb?narHash=sha256-NYVcA06%2BblsLG6wpAbSPTCyLvxD/92Hy4vlY9WxFI1M%3D' (2024-12-27)
  → 'github:NixOS/nixpkgs/6df24922a1400241dae323af55f30e4318a6ca65?narHash=sha256-dklw3AXr3OGO4/XT1Tu3Xz9n/we8GctZZ75ZWVqAVhk%3D' (2025-01-02)
• Updated input 'refraction':
    'github:PrismLauncher/refraction/77c45681871a1f4366cd441d9e580998648385ad?narHash=sha256-p/jboB8SOmoVqL9C4PoDXuCXn7KZ8%2BK/VubjtwTzkPQ%3D' (2024-12-27)
  → 'github:PrismLauncher/refraction/104cb8e7b7862a5fba3871af4a47f9eccd9f87fb?narHash=sha256-gFHhYE2L0TVZB8cjGjUJ1faYmxuKa69hDsxDX8LJ/Xo%3D' (2024-12-31)
• Updated input 'srvos':
    'github:nix-community/srvos/2a30339b3f4336092557655d57448cdcb3a2ee77?narHash=sha256-qmR8BbOh4hXHaeReNqIGSfFmKom2y7sXXQTJT1qNitM%3D' (2024-12-26)
  → 'github:nix-community/srvos/eea4ff2050968da5134788c73d63a2461f9daf27?narHash=sha256-qp83fDr3W5b6QoWSp%2BvfcH1vFNEhreW98qe9tlhSaXE%3D' (2025-01-02)
• Updated input 'treefmt-nix':
    'github:numtide/treefmt-nix/9e09d30a644c57257715902efbb3adc56c79cf28?narHash=sha256-8T3K5amndEavxnludPyfj3Z1IkcFdRpR23q%2BT0BVeZE%3D' (2024-12-25)
  → 'github:numtide/treefmt-nix/29806abab803e498df96d82dd6f34b32eb8dd2c8?narHash=sha256-1hKMRIT%2BQZNWX46e4gIovoQ7H8QRb7803ZH4qSKI45o%3D' (2025-01-03)