flake.lock: Update (#406)

Flake lock file updates:

• Updated input 'neovim-nightly':
    'github:nix-community/neovim-nightly-overlay/59630b2edb91b71ac0a60b865aaa91cd39946577?narHash=sha256-UHFvVeJY64rA5HKoeKCLuJET224GEDGdj7/m1PuShgw%3D' (2024-11-06)
  → 'github:nix-community/neovim-nightly-overlay/702364e6ec794961483eba5220ca531917d03784?narHash=sha256-8u8k3hnU5OxlXfhDLD3XEwAqv/M9Tb5USLCEPvXCPcM%3D' (2024-11-09)
• Updated input 'neovim-nightly/neovim-src':
    'github:neovim/neovim/f7e32fb6e626ab198bf401765236783890f3a0d6?narHash=sha256-ifiJfPkhyg/9I9aJSbtcHy3jRV4CLig7iF9ACQUycPU%3D' (2024-11-06)
  → 'github:neovim/neovim/ad3472e291694b6c589d8a664459b03962eaac95?narHash=sha256-0uH8SSP6/eqCuDvUCV%2Bs1ZwjLg6512Vj9dgKKO0iEmE%3D' (2024-11-08)
• Updated input 'neovim-nightly/nixpkgs':
    'github:NixOS/nixpkgs/8c4dc69b9732f6bbe826b5fbb32184987520ff26?narHash=sha256-2S0HwIFRxYp%2BafuoFORcZA9TjryAf512GmE0MTfEOPU%3D' (2024-11-05)
  → 'github:NixOS/nixpkgs/85f7e662eda4fa3a995556527c87b2524b691933?narHash=sha256-JwQZIGSYnRNOgDDoIgqKITrPVil%2BRMWHsZH1eE1VGN0%3D' (2024-11-07)

Co-authored-by: github-actions[bot] <github-actions[bot]@users.noreply.github.com>