[chore] flake.lock: update inputs

Flake lock file updates:

• Updated input 'home-manager':
    'github:nix-community/home-manager/1bbc1a5a1f4de7401c92db85b2119ed21bb4139d' (2024-09-20)
  → 'github:nix-community/home-manager/2f23fa308a7c067e52dfcc30a0758f47043ec176' (2024-09-22)
• Updated input 'nixpkgs':
    'github:NixOS/nixpkgs/944b2aea7f0a2d7c79f72468106bc5510cbf5101' (2024-09-20)
  → 'github:NixOS/nixpkgs/fbca5e745367ae7632731639de5c21f29c8744ed' (2024-09-28)
• Updated input 'nixvim':
    'github:nix-community/nixvim/2bc6a949924319f61619d32695115a61394741f8' (2024-09-21)
  → 'github:nix-community/nixvim/5f4a4b47597d3b9ac26c41ff4e8da28fa662f200' (2024-09-29)
• Updated input 'nixvim/git-hooks':
    'github:cachix/git-hooks.nix/4e743a6920eab45e8ba0fbe49dc459f1423a4b74' (2024-09-19)
  → 'github:cachix/git-hooks.nix/85f7a7177c678de68224af3402ab8ee1bcee25c8' (2024-09-28)
• Updated input 'nixvim/nuschtosSearch':
    'github:NuschtOS/search/7733a39a1321057172d87e6251ded7cdeb67171e' (2024-09-20)
  → 'github:NuschtOS/search/c3c3928b8de7d300c34e9d90fdc19febd1a32062' (2024-09-29)
• Updated input 'nixvim/treefmt-nix':
    'github:numtide/treefmt-nix/ee41a466c2255a3abe6bc50fc6be927cdee57a9f' (2024-09-19)
  → 'github:numtide/treefmt-nix/879b29ae9a0378904fbbefe0dadaed43c8905754' (2024-09-27)
• Updated input 'unstable':
    'github:NixOS/nixpkgs/c04d5652cfa9742b1d519688f65d1bbccea9eb7e' (2024-09-19)
  → 'github:NixOS/nixpkgs/1925c603f17fc89f4c8f6bf6f631a802ad85d784' (2024-09-26)