chore: update flake lock file

[github-actions]

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

Flake lock file updates:

• Updated input 'nixos-2311':
    'github:nixos/nixpkgs/72da83d9515b43550436891f538ff41d68eecc7f' (2024-04-05)
  → 'github:nixos/nixpkgs/51651a540816273b67bc4dedea2d37d116c5f7fe' (2024-04-11)
• Updated input 'unstable':
    'github:nixos/nixpkgs/fd281bd6b7d3e32ddfa399853946f782553163b5' (2024-04-03)
  → 'github:nixos/nixpkgs/1042fd8b148a9105f3c0aca3a6177fd1d9360ba5' (2024-04-10)

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