flake.lock: Update

Flake lock file updates:

• Updated input 'git-hooks':
    'github:cachix/git-hooks.nix/15a87cedeb67e3dbc8d2f7b9831990dffcf4e69f?narHash=sha256-2UNmLCKORvdBRhPGI8Vx0b6l7M8/QBey/nHLIxOl4jE%3D' (2025-01-19)
  → 'github:cachix/git-hooks.nix/9364dc02281ce2d37a1f55b6e51f7c0f65a75f17?narHash=sha256-R10v2hoJRLq8jcL4syVFag7nIGE7m13qO48wRIukWNg%3D' (2025-01-21)
• Updated input 'neovim-nightly':
    'github:nix-community/neovim-nightly-overlay/010ed547044c6926f746898d8876137515dd934e?narHash=sha256-JhW46GBB1Nz2Dm1dn6ZX/fKYy8JDQUOUDLqabbQB06M%3D' (2025-01-20)
  → 'github:nix-community/neovim-nightly-overlay/ac8238031094d5242da26947bfc7174369c12e33?narHash=sha256-RDwsCYHgjFf6iTi5JSfpOAnuQenDh8VFKU01XluVWM8%3D' (2025-01-21)
• Updated input 'neovim-nightly/neovim-src':
    'github:neovim/neovim/5f527f24f0ea89e9071e065530cbed449507df5c?narHash=sha256-0L6YAx41Yn0dzEJ/rWk1Th1EF8MSLEdNDMyEi0SMVCg%3D' (2025-01-19)
  → 'github:neovim/neovim/855a2a75e6f7d08376c221a46e0179e5c76176ec?narHash=sha256-A1ITJgtOOwhSC5wB/jfBV9ZuAftroeYRYFqA%2BaFKgac%3D' (2025-01-20)
• Updated input 'neovim-nightly/nixpkgs':
    'github:NixOS/nixpkgs/041c867bad68dfe34b78b2813028a2e2ea70a23c?narHash=sha256-DSenga8XjPaUV5KUFW/i3rNkN7jm9XmguW%2BqQ1ZJTR4%3D' (2025-01-17)
  → 'github:NixOS/nixpkgs/300081d0cc72df578b02d914df941b8ec62240e6?narHash=sha256-hFA6SmioeqvGW/XvZa9bxniAeulksCOcj3kokdNT/YE%3D' (2025-01-20)