chore: update flake.lock (#388)

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

```
Flake lock file updates:

• Updated input 'git-hooks':
    'github:cachix/pre-commit-hooks.nix/6cedaa7c1b4f82a266e5d30f212273e60d62cb0d?narHash=sha256-TuSaYdhOxeaaE9885mFO1lZHHax33GD5A9dczJrGUjw%3D' (2024-08-21)
  → 'github:cachix/pre-commit-hooks.nix/c8a54057aae480c56e28ef3e14e4960628ac495b?narHash=sha256-9etXEOUtzeMgqg1u0wp%2BEdwG7RpmrAZ2yX516bMj2aE%3D' (2024-08-23)
• Updated input 'neorocks':
    'github:nvim-neorocks/neorocks/428cb12aa3f008260fd5f1bd2ba3dd01f4f947db?narHash=sha256-55p8W6X95UzyquH%2BlCUUR4IHVQ/AqcWf/VMzWTXq%2BxE%3D' (2024-08-17)
  → 'github:nvim-neorocks/neorocks/960271da8c15fced6314deecfd7ef6f77787326c?narHash=sha256-uoHYEefxVLWtAvWw41t11R8l7oQG7MgwvnA0FYVsY2s%3D' (2024-08-24)
• Updated input 'neorocks/git-hooks':
    'github:cachix/git-hooks.nix/bfef0ada09e2c8ac55bbcd0831bd0c9d42e651ba?narHash=sha256-yezvUuFiEnCFbGuwj/bQcqg7RykIEqudOy/RBrId0pc%3D' (2024-08-16)
  → 'github:cachix/git-hooks.nix/c8a54057aae480c56e28ef3e14e4960628ac495b?narHash=sha256-9etXEOUtzeMgqg1u0wp%2BEdwG7RpmrAZ2yX516bMj2aE%3D' (2024-08-23)
• Updated input 'neorocks/neovim-nightly':
    'github:nix-community/neovim-nightly-overlay/b67c560eb553aa29f7e4efa729af61ff4d45c786?narHash=sha256-V1eO%2B6leWxL4etUpgxi81kC9mOUIPo/gy4GXPqcgQ6E%3D' (2024-08-16)
  → 'github:nix-community/neovim-nightly-overlay/4fb7a5de4d5024a49bb60b7ff5ddb54252fe4622?narHash=sha256-cE2PmF0Ayw/flzTL3aEtiak5QkBTp0z265CDWnUKoM8%3D' (2024-08-23)
• Updated input 'neorocks/neovim-nightly/git-hooks':
    'github:cachix/git-hooks.nix/c7012d0c18567c889b948781bc74a501e92275d1?narHash=sha256-qbhjc/NEGaDbyy0ucycubq4N3//gDFFH3DOmp1D3u1Q%3D' (2024-08-09)
  → 'github:cachix/git-hooks.nix/6cedaa7c1b4f82a266e5d30f212273e60d62cb0d?narHash=sha256-TuSaYdhOxeaaE9885mFO1lZHHax33GD5A9dczJrGUjw%3D' (2024-08-21)
• Updated input 'neorocks/neovim-nightly/neovim-src':
    'github:neovim/neovim/fd65422b99c7cc69e5053a852244cfc9d46d7b65?narHash=sha256-e7QFAYeZSjhQ1H0mk2awv2KcXlsepzXki3uYEUBXZ8Q%3D' (2024-08-15)
  → 'github:neovim/neovim/3b32869ced32821fb58f0a7c08094105be7bdaf0?narHash=sha256-mvxaYMDkhOM0f1LEmu43u2qMtHkY40Me4bcP2XqQ9MM%3D' (2024-08-22)
• Updated input 'neorocks/neovim-nightly/nixpkgs':
    'github:NixOS/nixpkgs/8b908192e64224420e2d59dfd9b2e4309e154c5d?narHash=sha256-nk0RaUB5f68BwtXAYy3WAjqFhVKqIl9Z89RGycTa2vk%3D' (2024-08-15)
  → 'github:NixOS/nixpkgs/4de4818c1ffa76d57787af936e8a23648bda6be4?narHash=sha256-x3jl6OWTs%2BL9C7EtscuWZmGZWI0iSBDafvg3X7JMa1A%3D' (2024-08-22)
• Updated input 'neorocks/nixpkgs':
    'github:nixos/nixpkgs/8b908192e64224420e2d59dfd9b2e4309e154c5d?narHash=sha256-nk0RaUB5f68BwtXAYy3WAjqFhVKqIl9Z89RGycTa2vk%3D' (2024-08-15)
  → 'github:nixos/nixpkgs/5de1564aed415bf9d0f281461babc2d101dd49ff?narHash=sha256-Nf/iQWamRVAwAPFccQMfm5Qcf%2BrLLnU1rWG3f9orDVE%3D' (2024-08-22)
• Updated input 'nixpkgs':
    'github:nixos/nixpkgs/cd7b95ee3725af7113bacbce91dd6549cee58ca5?narHash=sha256-OTDg91%2BZzs2SpU3csK4xVdSQFoG8cK1lNUwKmTqERyE%3D' (2024-08-17)
  → 'github:nixos/nixpkgs/ae815cee91b417be55d43781eb4b73ae1ecc396c?narHash=sha256-zRkDV/nbrnp3Y8oCADf5ETl1sDrdmAW6/bBVJ8EbIdQ%3D' (2024-08-23)
```

### 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
```

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