flake.lock: Update

Flake lock file updates:

• Updated input 'nix-index-database':
    'github:nix-community/nix-index-database/d583b2d142f0428313df099f4a2dcf2a0496aa78?narHash=sha256-zvMLS8BGn%2BkMG7tLLT3PJ67/S9yqZ9B7V8hKBa9cRRY%3D' (2024-12-22)
  → 'github:nix-community/nix-index-database/c8470746a9f4d1ab4c7563db7da995595ed64ca2?narHash=sha256-zD8ciZm42wi1ijHyS7J0dmBE3QXMA/qBfwW/SEXhiwI%3D' (2024-12-25)
• Updated input 'nixpkgs':
    'https://api.flakehub.com/f/pinned/NixOS/nixpkgs/0.2411.711815%2Brev-1807c2b91223227ad5599d7067a61665c52d1295/0193f2e7-3c96-7550-8bbf-11942c4247e9/source.tar.gz?narHash=sha256-Pzyb%2BYNG5u3zP79zoi8HXYMs15Q5dfjDgwCdUI5B0nY%3D' (2024-12-22)
  → 'https://api.flakehub.com/f/pinned/NixOS/nixpkgs/0.2411.711867%2Brev-6c90912761c43e22b6fb000025ab96dd31c971ff/0193fcf7-90a6-754d-a0f2-c86bb705261d/source.tar.gz?narHash=sha256-8T660guvdaOD%2B2/Cj970bWlQwAyZLKrrbkhYOFcY1YE%3D' (2024-12-23)
• Updated input 'treefmt-nix':
    'github:numtide/treefmt-nix/e41e948cf097cbf96ba4dff47a30ea6891af9f33?narHash=sha256-N7M37KP7cHWoXicuE536GrVvU8nMDT/gpI1kja2hkdg%3D' (2024-12-23)
  → 'github:numtide/treefmt-nix/9e09d30a644c57257715902efbb3adc56c79cf28?narHash=sha256-8T3K5amndEavxnludPyfj3Z1IkcFdRpR23q%2BT0BVeZE%3D' (2024-12-25)