flake.lock: Update (#486)

Flake lock file updates:

• Updated input 'neovim-nightly':
    'github:nix-community/neovim-nightly-overlay/3a08ffdd6e9e39177d8d1ef3182f89a27b03a5b5?narHash=sha256-MasPSFyIqXt5ldu1Evn1m9HzJCuKUccDd8o8Fm9V6n0%3D' (2025-02-07)
  → 'github:nix-community/neovim-nightly-overlay/80cd53ef3a60f1a4bf3c6a7cbc5a400816c8427a?narHash=sha256-8Y58Pu9ijovxUFcyz%2BUIInWBPn12vAxXPyuDQKTO3y4%3D' (2025-02-08)
• Updated input 'neovim-nightly/neovim-src':
    'github:neovim/neovim/5371659524089b425887af1ce14bf9a374f0f234?narHash=sha256-QI4UWbHufbMjYdTP2rMbW/zNPthD2VCKGlPsLHdMlUo%3D' (2025-02-06)
  → 'github:neovim/neovim/a9cdf76e3a142c78b2b5da58c428e15e31cb0a15?narHash=sha256-4TLVDIvtgPXkIDZbHKSBoICBTR8suhAOjSBsHZlXpsY%3D' (2025-02-07)
• Updated input 'neovim-nightly/treefmt-nix':
    'github:numtide/treefmt-nix/64dbb922d51a42c0ced6a7668ca008dded61c483?narHash=sha256-8X7tR3kFGkE7WEF5EXVkt4apgaN85oHZdoTGutCFs6I%3D' (2025-02-04)
  → 'github:numtide/treefmt-nix/4f09b473c936d41582dd744e19f34ec27592c5fd?narHash=sha256-yrK3Hjcr8F7qS/j2F%2Br7C7o010eVWWlm4T1PrbKBOxQ%3D' (2025-02-07)
• Updated input 'nixpkgs':
    'github:nixos/nixpkgs/1da52dd49a127ad74486b135898da2cef8c62665?narHash=sha256-KRwX9Z1XavpgeSDVM/THdFd6uH8rNm/6R%2B7kIbGa%2B2s%3D' (2025-02-05)
  → 'github:nixos/nixpkgs/d98abf5cf5914e5e4e9d57205e3af55ca90ffc1d?narHash=sha256-oZLdIlpBKY%2BWEJlKMafIUK%2BMBqddHreSeGc4b4yF1uU%3D' (2025-02-07)

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

Author: mrcjkb