chore(flake): update flake.lock

[github-actions[bot]]

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

Flake lock file updates:

• Updated input 'nixpkgs-unstable':
    'github:NixOS/nixpkgs/e8057b67ebf307f01bdcc8fba94d94f75039d1f6?narHash=sha256-pL9jeus5QpX5R%2B9rsp3hhZ%2BuplVHscNJh8n8VpqscM0%3D' (2024-06-05)
  → 'github:NixOS/nixpkgs/051f920625ab5aabe37c920346e3e69d7d34400e?narHash=sha256-4q0s6m0GUcN7q%2BY2DqD27iLvbcd1G50T2lv08kKxkSI%3D' (2024-06-07)
• Updated input 'nixvim':
    'github:nix-community/nixvim/db32ebe205111af0b74d74684df64674ffcf3b36?narHash=sha256-U7E1Wg5PRKUYqfeL8H6KU/5VjFo8bkxbFzigN2grkQI%3D' (2024-06-08)
  → 'github:nix-community/nixvim/70088f6f8945023115f090f26764e5a71ae87a91?narHash=sha256-dylweBqNKh7FoFJisuCxeUSJcBxoiY3QnEsx2nCWLXE%3D' (2024-06-08)

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