flake.lock: Update

Flake lock file updates:

• Updated input 'nixpkgs':
    'github:NixOS/nixpkgs/c6a788f552b7b7af703b1a29802a7233c0067908?narHash=sha256-6n/n1GZQ/vi%2BLhFXMSyoseKdNfc2QQaSBXJdgamrbkE%3D' (2025-09-03)
  → 'github:NixOS/nixpkgs/6d7ec06d6868ac6d94c371458fc2391ded9ff13d?narHash=sha256-fEvTiU4s9lWgW7mYEU/1QUPirgkn%2BodUBTaindgiziY%3D' (2025-09-13)
• Updated input 'nixvim':
    'github:nix-community/nixvim/7afdd40b96c9168aa4cb49b86fc67eccd441cae5?narHash=sha256-j4SBmYsARwNG0DHljZ1uzZlGqCIU5fzCMA2g%2BGjD0xw%3D' (2025-09-06)
  → 'github:nix-community/nixvim/43c6f7293eba3fa5ff699e339e55270305e51cab?narHash=sha256-AAg3S94zMF4BtByF2k9/K/tbC0awNHCc50GxCjccUhw%3D' (2025-09-11)
• Updated input 'nixvim/flake-parts':
    'github:hercules-ci/flake-parts/af66ad14b28a127c5c0f3bbb298218fc63528a18?narHash=sha256-pHYj8gUBapuUzKV/kN/tR3Zvqc7o6gdFB9XKXIp1SQ8%3D' (2025-08-06)
  → 'github:hercules-ci/flake-parts/4524271976b625a4a605beefd893f270620fd751?narHash=sha256-%2BuWLQZccFHwqpGqr2Yt5VsW/PbeJVTn9Dk6SHWhNRPw%3D' (2025-09-01)
• Updated input 'nixvim/nixpkgs':
    'github:NixOS/nixpkgs/f937f8ecd1c70efd7e9f90ba13dfb400cf559de4?narHash=sha256-4/Jd%2BLkQ2ssw8luQVkqVs9spDBVE6h/u/hC/tzngsPo%3D' (2025-08-22)
  → 'github:NixOS/nixpkgs/ca77296380960cd497a765102eeb1356eb80fed0?narHash=sha256-PgLSZDBEWUHpfTRfFyklmiiLBE1i1aGCtz4eRA3POao%3D' (2025-09-05)
• Updated input 'nixvim/nuschtosSearch':
    'github:NuschtOS/search/6f3efef888b92e6520f10eae15b86ff537e1d2ea?narHash=sha256-WiOO7GUOsJ4/DoMy2IC5InnqRDSo2U11la48vCCIjjY%3D' (2025-08-18)
  → 'github:NuschtOS/search/5feeaeefb571e6ca2700888b944f436f7c05149b?narHash=sha256-8QX7Ab5CcICp7zktL47VQVS%2BQeaU4YDNAjzty7l7TQE%3D' (2025-09-01)

Author: github-actions[bot]