Update flake.lock

[pedorich-n]

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

Flake lock file updates:

• Updated input 'nixpkgs':
    'github:NixOS/nixpkgs/f9d39fb9aff0efee4a3d5f4a6d7c17701d38a1d8' (2024-02-11)
  → 'github:NixOS/nixpkgs/9099616b93301d5cf84274b184a3a5ec69e94e08' (2024-02-28)

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