flake.lock: Update

Flake lock file updates:

• Updated input 'home-manager':
    'github:nix-community/home-manager/83ecd50915a09dca928971139d3a102377a8d242' (2024-12-16)
  → 'github:nix-community/home-manager/1395379a7a36e40f2a76e7b9936cc52950baa1be' (2024-12-19)
• Updated input 'home-manager-unstable':
    'github:nix-community/home-manager/83ecd50915a09dca928971139d3a102377a8d242' (2024-12-16)
  → 'github:nix-community/home-manager/1395379a7a36e40f2a76e7b9936cc52950baa1be' (2024-12-19)
• Updated input 'nixpkgs-unstable':
    'github:nixos/nixpkgs/3566ab7246670a43abd2ffa913cc62dad9cdf7d5' (2024-12-13)
  → 'github:nixos/nixpkgs/d3c42f187194c26d9f0309a8ecc469d6c878ce33' (2024-12-17)
• Updated input 'nixvim':
    'github:nix-community/nixvim/30895485c3a31bb16ace513def4f3a36bfeb68c6' (2024-12-17)
  → 'github:nix-community/nixvim/37608b462772e35220e02bfbd9045d0946564436' (2024-12-19)
• Updated input 'nixvim/git-hooks':
    'github:cachix/git-hooks.nix/aa9f40c906904ebd83da78e7f328cd8aeaeae785' (2024-12-15)
  → 'github:cachix/git-hooks.nix/0ddd26d0925f618c3a5d85a4fa5eb1e23a09491d' (2024-12-17)
• Updated input 'nixvim/home-manager':
    'github:nix-community/home-manager/66c5d8b62818ec4c1edb3e941f55ef78df8141a8' (2024-12-13)
  → 'github:nix-community/home-manager/83ecd50915a09dca928971139d3a102377a8d242' (2024-12-16)