chore: update flake.lock

[mrcjkb]

Automated changes by the update-flake-lock GitHub Action.

Flake lock file updates:

• Updated input 'neovim-nightly':
    'github:neovim/neovim/529498685bbcd4783bc0e816d6247118c9ffb9a7?dir=contrib' (2023-12-10)
  → 'github:neovim/neovim/2d33a766a17b7304686fc00eec2b2e0ce49400ba?dir=contrib' (2023-12-12)
• Updated input 'nixpkgs':
    'github:nixos/nixpkgs/29d6c96900b9b576c2fb89491452f283aa979819' (2023-12-10)
  → 'github:nixos/nixpkgs/e97b3e4186bcadf0ef1b6be22b8558eab1cdeb5d' (2023-12-11)
• Updated input 'pre-commit-hooks':
    'github:cachix/pre-commit-hooks.nix/e5ee5c5f3844550c01d2131096c7271cec5e9b78' (2023-11-25)
  → 'github:cachix/pre-commit-hooks.nix/e1d203c2fa7e2593c777e490213958ef81f71977' (2023-12-11)

Running GitHub Actions on this PR

GitHub Actions will not run workflows on pull requests which are opened by a GitHub Action.

To run GitHub Actions workflows on this PR, run:

git branch -D update_flake_lock_action
git fetch origin
git checkout update_flake_lock_action
git commit --amend --no-edit
git push origin update_flake_lock_action --force