chore(nix): update lockfile

[github-actions]

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

Flake lock file updates:

• Updated input 'nixpkgs':
    'github:NixOS/nixpkgs/2ff53fe64443980e139eaa286017f53f88336dd0?narHash=sha256-%2B/bYK3DbPxMIvSL4zArkMX0LQvS7rzBKXnDXLfKyRVc%3D' (2025-02-13)
  → 'github:NixOS/nixpkgs/6313551cd05425cd5b3e63fe47dbc324eabb15e4?narHash=sha256-D%2BR%2BkFxy1KsheiIzkkx/6L63wEHBYX21OIwlFV8JvDs%3D' (2025-02-27)

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