flake.lock: Update

Flake lock file updates:

• Updated input 'master':
    'github:nixos/nixpkgs/ead4a829f130abe96d5e8af54c8118f4664014a0?narHash=sha256-yhgg3ZtQSnu/2YqeAe4DARAC/wKy7kPDTng9yRRByJE%3D' (2024-12-09)
  → 'github:nixos/nixpkgs/fbf117facf0bd42282fbb8c21d73526c27fd18f7?narHash=sha256-0pJZJ25LBvZ/8lz54xnZzigKbi20FOGZ1Umz3eW0spo%3D' (2024-12-09)
• Added input 'niri':
    'github:YaLTeR/niri/40fa82275cc092d313a9a60d01a2b4e3e8e3f7d3?narHash=sha256-LU4gFrPdB29qzZKJaEoIj87m7N%2BXaOoFu7POuiiIKhg%3D' (2024-12-09)
• Added input 'niri/nix-filter':
    'github:numtide/nix-filter/f7653272fd234696ae94229839a99b73c9ab7de0?narHash=sha256-oRam5PS1vcrr5UPgALW0eo1m/5/pls27Z/pabHNy2Ms%3D' (2024-11-13)
• Added input 'niri/nixpkgs':
    follows 'nixpkgs'
• Added input 'niri/rust-overlay':
    'github:oxalica/rust-overlay/e66c0d43abf5bdefb664c3583ca8994983c332ae?narHash=sha256-aJmAIjZfWfPSWSExwrYBLRgXVvgF5LP1vaeUGOOIQ98%3D' (2024-12-02)
• Added input 'niri/rust-overlay/nixpkgs':
    follows 'niri/nixpkgs'