chore: update flake.lock (#215)

Automated changes by the
[update-flake-lock](https://github.com/DeterminateSystems/update-flake-lock)
GitHub Action.

```
Flake lock file updates:

• Updated input 'neovim-nightly-overlay':
    'github:nix-community/neovim-nightly-overlay/2308960a997fb3bea9e91227254e7e3cf897f6d9' (2023-07-01)
  → 'github:nix-community/neovim-nightly-overlay/6934dfd2375855ef860963c511164a5d3d10c848' (2023-07-09)
• Updated input 'neovim-nightly-overlay/flake-parts':
    'github:hercules-ci/flake-parts/37dd7bb15791c86d55c5121740a1887ab55ee836' (2023-06-26)
  → 'github:hercules-ci/flake-parts/8e8d955c22df93dbe24f19ea04f47a74adbdc5ec' (2023-07-04)
• Updated input 'neovim-nightly-overlay/hercules-ci-effects':
    'github:hercules-ci/hercules-ci-effects/04e4ab63b9eed2452edee1bb698827e1cb8265c6' (2023-06-15)
  → 'github:hercules-ci/hercules-ci-effects/c6191e59824febda94b431146bf65628fc534e3b' (2023-07-05)
• Updated input 'neovim-nightly-overlay/neovim-flake':
    'github:neovim/neovim/2493815290c4cb5b1fb97b6d010c10bdf2d47a58?dir=contrib' (2023-06-30)
  → 'github:neovim/neovim/fbeef0d4ef1aadc4e50b9f33946cf4dca8ca6b62?dir=contrib' (2023-07-08)
• Updated input 'neovim-nightly-overlay/nixpkgs':
    'github:NixOS/nixpkgs/60a783e00517fce85c42c8c53fe0ed05ded5b2a4' (2023-06-28)
  → 'github:NixOS/nixpkgs/ed6afb10dfdfc97b6bcf0703f1bad8118e9e961b' (2023-07-08)
• Updated input 'nixpkgs':
    'github:nixos/nixpkgs/8277b539d371bf4308fc5097911aa58bfac1794f' (2023-07-01)
  → 'github:nixos/nixpkgs/ed6afb10dfdfc97b6bcf0703f1bad8118e9e961b' (2023-07-08)
• Updated input 'plenary-nvim':
    'github:nvim-lua/plenary.nvim/102c02903c74b93c705406bf362049383abc87c8' (2023-06-30)
  → 'github:nvim-lua/plenary.nvim/bda256fab0eb66a15e8190937e417e6a14ee5d72' (2023-07-06)
• Updated input 'pre-commit-hooks':
    'github:cachix/pre-commit-hooks.nix/522fd47af79b66cdd04b92618e65c7a11504650a' (2023-06-30)
  → 'github:cachix/pre-commit-hooks.nix/c8d18ba345730019c3faf412c96a045ade171895' (2023-07-05)
• Updated input 'telescope-nvim':
    'github:nvim-telescope/telescope.nvim/b14de80d1cdf66f988f6550ca8577c43bb3797cd' (2023-07-01)
  → 'github:nvim-telescope/telescope.nvim/276362a8020c6e94c7a76d49aa00d4923b0c02f3' (2023-07-06)
• Updated input 'toggleterm':
    'github:akinsho/toggleterm.nvim/4cac5c96445df3a97f162a0f810e38fde1eb525e' (2023-06-26)
  → 'github:akinsho/toggleterm.nvim/2249e974faed67e795ffc2ca2be13b93c5d51938' (2023-07-05)
```

### 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:

```sh
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
```

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