flake.lock: Update

Flake lock file updates:

• Updated input 'home-manager':
    'github:nix-community/home-manager/45c07fcf7d28b5fb3ee189c260dee0a2e4d14317?narHash=sha256-2o/JuD6qD0CtPNVvdPNL3bEDFITaSfSLceajHcIzmw4%3D' (2025-02-15)
  → 'github:nix-community/home-manager/fb568d75cf6c81f30d49eeb73787e9b56454ba16?narHash=sha256-%2BLFsCsIUF/pJWL9S21m5NLcK5bgwRB4MwfV0Iu7tggY%3D' (2025-02-22)
• Updated input 'nix-darwin':
    'github:LnL7/nix-darwin/678b22642abde2ee77ae2218ab41d802f010e5b0?narHash=sha256-rlv64erpr36xdmMDPgf9rhRXBYZ0BZb5nrw2ZPSk1sQ%3D' (2025-02-14)
  → 'github:LnL7/nix-darwin/6ab392f626a19f1122d1955c401286e1b7cf6b53?narHash=sha256-UhuvTR4OrWR%2BWBaRCZm4YMkvjJhZ1KZo/jRjE41m%2BEk%3D' (2025-02-19)
• Updated input 'nix-index-database':
    'github:nix-community/nix-index-database/895d81b6228bbd50a6ef22f5a58a504ca99763ea?narHash=sha256-/Ak%2BQuinhmdxa9m3shjm4lwwwqmzG8zzGhhhhgR1k9I%3D' (2025-02-09)
  → 'github:nix-community/nix-index-database/ae15068e79e22b76c344f0d7f8aed1bb1c5b0b63?narHash=sha256-U1HQ7nzhJyVVXUgjU028UCkbLQLEIkg42%2BG7iIiBmlU%3D' (2025-02-16)
• Updated input 'nixpkgs':
    'github:nixos/nixpkgs/2ff53fe64443980e139eaa286017f53f88336dd0?narHash=sha256-%2B/bYK3DbPxMIvSL4zArkMX0LQvS7rzBKXnDXLfKyRVc%3D' (2025-02-13)
  → 'github:nixos/nixpkgs/73cf49b8ad837ade2de76f87eb53fc85ed5d4680?narHash=sha256-EO1ygNKZlsAC9avfcwHkKGMsmipUk1Uc0TbrEZpkn64%3D' (2025-02-18)
• Updated input 'nixvim':
    'github:nix-community/nixvim/b8c55873998948bf14a2b6cf30f9ad5ecdf79818?narHash=sha256-maNBjf9whO303r4%2B8ekfAZOrf3sHnw6DLiSph5xnXJw%3D' (2025-02-15)
  → 'github:nix-community/nixvim/0ab9947137cd034ec64eb5cd9ede94e53af21f50?narHash=sha256-BgOQcKKz7VNvSHIbBllHisv32HvF3W3ALF9sdnC%2B%2BV8%3D' (2025-02-18)