chore(lockfile): update flake.lock

Flake lock file updates:

• Updated input 'home-manager':
    'github:nix-community/home-manager/76d0c31fce2aa0c71409de953e2f9113acd5b656?narHash=sha256-gvjG95TCnUVJkvQvLMlnC4NqiqFyBdJk3o8/RwuHeaU%3D' (2025-06-28)
  → 'github:nix-community/home-manager/5f06ceafc6c9b773a776b9195c3f47bbe1defa43?narHash=sha256-ILSPD0Dm8p0w0fCVzOx98ZH8yFDrR75GmwmH3fS2VnE%3D' (2025-10-04)
• Updated input 'nixvim':
    'github:nix-community/nixvim/51edc33c9763e486beacf6a066ae41a3c18827fa?narHash=sha256-GFbRW1QCBNK/0di2Dj0WZJxdN%2BEZgTTn6gm7af4/r9s%3D' (2025-09-09)
  → 'github:nix-community/nixvim/2f8fbcdfd02b16e7392f5cfa3600aa77cd559d37?narHash=sha256-4j73b%2Bt3B5sN1JAcwAT9XD4P38o3qvBqCkfXPvnAY3o%3D' (2025-10-04)
• Updated input 'nixvim/nuschtosSearch':
    'github:NuschtOS/search/5feeaeefb571e6ca2700888b944f436f7c05149b?narHash=sha256-8QX7Ab5CcICp7zktL47VQVS%2BQeaU4YDNAjzty7l7TQE%3D' (2025-09-01)
  → 'github:NuschtOS/search/7d4c0fc4ffe3bd64e5630417162e9e04e64b27a4?narHash=sha256-igrxT%2B/MnmcftPOHEb%2BXDwAMq3Xg1Xy7kVYQaHhPlAg%3D' (2025-09-23)

Author: anakmagang